20876685480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{691}}^1$

素因数の和:1365

約数の個数: 384

約数和(自身を含む): 81870796800

約数和(自身を除く): 60994111320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 631, 665, 684, 691, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1262, 1330, 1368, 1382, 1596, 1710, 1893, 1995, 2073, 2280, 2394, 2520, 2524, 2660, 2764, 3155, 3192, 3420, 3455, 3786, 3990, 4146, 4417, 4788, 4837, 5048, 5320, 5528, 5679, 5985, 6219, 6310, 6840, 6910, 7572, 7980, 8292, 8834, 9465, 9576, 9674, 10365, 11358, 11970, 11989, 12438, 12620, 13129, 13251, 13820, 14511, 15144, 15960, 16584, 17668, 18930, 19348, 20730, 22085, 22716, 23940, 23978, 24185, 24876, 25240, 26258, 26502, 27640, 28395, 29022, 31095, 35336, 35967, 37860, 38696, 39387, 39753, 41460, 43533, 44170, 45432, 47880, 47956, 48370, 49752, 52516, 53004, 56790, 58044, 59945, 62190, 65645, 66255, 71934, 72555, 75720, 78774, 79506, 82920, 83923, 87066, 88340, 91903, 95912, 96740, 105032, 106008, 107901, 113580, 116088, 118161, 119890, 124380, 131290, 132510, 143868, 145110, 157548, 159012, 167846, 174132, 176680, 179835, 183806, 193480, 196935, 198765, 215802, 217665, 227160, 236322, 239780, 248760, 251769, 262580, 265020, 275709, 287736, 290220, 315096, 318024, 335692, 348264, 359670, 367612, 393870, 397530, 419615, 431604, 435330, 436021, 459515, 472644, 479560, 503538, 525160, 530040, 539505, 551418, 580440, 590805, 671384, 719340, 735224, 755307, 787740, 795060, 827127, 839230, 863208, 870660, 872042, 919030, 945288, 1007076, 1079010, 1102836, 1181610, 1258845, 1308063, 1378545, 1438680, 1510614, 1575480, 1590120, 1654254, 1678460, 1741320, 1744084, 1838060, 2014152, 2158020, 2180105, 2205672, 2363220, 2517690, 2616126, 2757090, 3021228, 3052147, 3308508, 3356920, 3488168, 3676120, 3776535, 3924189, 4135635, 4316040, 4360210, 4726440, 5035380, 5232252, 5514180, 6042456, 6104294, 6540315, 6617016, 7553070, 7848378, 8271270, 8284399, 8720420, 9156441, 10070760, 10464504, 11028360, 12208588, 13080630, 15106140, 15260735, 15696756, 16542540, 16568798, 17440840, 18312882, 19620945, 24417176, 24853197, 26161260, 27469323, 30212280, 30521470, 31393512, 33085080, 33137596, 36625764, 39241890, 41421995, 45782205, 49706394, 52322520, 54938646, 57990793, 61042940, 66275192, 73251528, 74559591, 78483780, 82843990, 91564410, 99412788, 109877292, 115981586, 122085880, 124265985, 137346615, 149119182, 156967560, 165687980, 173972379, 183128820, 198825576, 219754584, 231963172, 248531970, 274693230, 289953965, 298238364, 331375960, 347944758, 366257640, 372797955, 463926344, 497063940, 521917137, 549386460, 579907930, 596476728, 695889516, 745595910, 869861895, 994127880, 1043834274, 1098772920, 1159815860, 1391779032, 1491191820, 1739723790, 2087668548, 2319631720, 2609585685, 2982383640, 3479447580, 4175337096, 5219171370, 6958895160, 10438342740, 20876685480]

約数ペア:

[(1, 20876685480), (2, 10438342740), (3, 6958895160), (4, 5219171370), (5, 4175337096), (6, 3479447580), (7, 2982383640), (8, 2609585685), (9, 2319631720), (10, 2087668548), (12, 1739723790), (14, 1491191820), (15, 1391779032), (18, 1159815860), (19, 1098772920), (20, 1043834274), (21, 994127880), (24, 869861895), (28, 745595910), (30, 695889516), (35, 596476728), (36, 579907930), (38, 549386460), (40, 521917137), (42, 497063940), (45, 463926344), (56, 372797955), (57, 366257640), (60, 347944758), (63, 331375960), (70, 298238364), (72, 289953965), (76, 274693230), (84, 248531970), (90, 231963172), (95, 219754584), (105, 198825576), (114, 183128820), (120, 173972379), (126, 165687980), (133, 156967560), (140, 149119182), (152, 137346615), (168, 124265985), (171, 122085880), (180, 115981586), (190, 109877292), (210, 99412788), (228, 91564410), (252, 82843990), (266, 78483780), (280, 74559591), (285, 73251528), (315, 66275192), (342, 61042940), (360, 57990793), (380, 54938646), (399, 52322520), (420, 49706394), (456, 45782205), (504, 41421995), (532, 39241890), (570, 36625764), (630, 33137596), (631, 33085080), (665, 31393512), (684, 30521470), (691, 30212280), (760, 27469323), (798, 26161260), (840, 24853197), (855, 24417176), (1064, 19620945), (1140, 18312882), (1197, 17440840), (1260, 16568798), (1262, 16542540), (1330, 15696756), (1368, 15260735), (1382, 15106140), (1596, 13080630), (1710, 12208588), (1893, 11028360), (1995, 10464504), (2073, 10070760), (2280, 9156441), (2394, 8720420), (2520, 8284399), (2524, 8271270), (2660, 7848378), (2764, 7553070), (3155, 6617016), (3192, 6540315), (3420, 6104294), (3455, 6042456), (3786, 5514180), (3990, 5232252), (4146, 5035380), (4417, 4726440), (4788, 4360210), (4837, 4316040), (5048, 4135635), (5320, 3924189), (5528, 3776535), (5679, 3676120), (5985, 3488168), (6219, 3356920), (6310, 3308508), (6840, 3052147), (6910, 3021228), (7572, 2757090), (7980, 2616126), (8292, 2517690), (8834, 2363220), (9465, 2205672), (9576, 2180105), (9674, 2158020), (10365, 2014152), (11358, 1838060), (11970, 1744084), (11989, 1741320), (12438, 1678460), (12620, 1654254), (13129, 1590120), (13251, 1575480), (13820, 1510614), (14511, 1438680), (15144, 1378545), (15960, 1308063), (16584, 1258845), (17668, 1181610), (18930, 1102836), (19348, 1079010), (20730, 1007076), (22085, 945288), (22716, 919030), (23940, 872042), (23978, 870660), (24185, 863208), (24876, 839230), (25240, 827127), (26258, 795060), (26502, 787740), (27640, 755307), (28395, 735224), (29022, 719340), (31095, 671384), (35336, 590805), (35967, 580440), (37860, 551418), (38696, 539505), (39387, 530040), (39753, 525160), (41460, 503538), (43533, 479560), (44170, 472644), (45432, 459515), (47880, 436021), (47956, 435330), (48370, 431604), (49752, 419615), (52516, 397530), (53004, 393870), (56790, 367612), (58044, 359670), (59945, 348264), (62190, 335692), (65645, 318024), (66255, 315096), (71934, 290220), (72555, 287736), (75720, 275709), (78774, 265020), (79506, 262580), (82920, 251769), (83923, 248760), (87066, 239780), (88340, 236322), (91903, 227160), (95912, 217665), (96740, 215802), (105032, 198765), (106008, 196935), (107901, 193480), (113580, 183806), (116088, 179835), (118161, 176680), (119890, 174132), (124380, 167846), (131290, 159012), (132510, 157548), (143868, 145110)]