18684120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 53891880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 59, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 118, 120, 130, 140, 145, 156, 168, 174, 177, 182, 195, 203, 210, 232, 236, 260, 273, 280, 290, 295, 312, 348, 354, 364, 377, 390, 406, 413, 420, 435, 455, 472, 520, 546, 580, 590, 609, 696, 708, 728, 754, 767, 780, 812, 826, 840, 870, 885, 910, 1015, 1092, 1131, 1160, 1180, 1218, 1239, 1365, 1416, 1508, 1534, 1560, 1624, 1652, 1711, 1740, 1770, 1820, 1885, 2030, 2065, 2184, 2262, 2301, 2360, 2436, 2478, 2639, 2730, 3016, 3045, 3068, 3304, 3422, 3480, 3540, 3640, 3770, 3835, 4060, 4130, 4524, 4602, 4872, 4956, 5133, 5278, 5369, 5460, 5655, 6090, 6136, 6195, 6844, 7080, 7540, 7670, 7917, 8120, 8260, 8555, 9048, 9204, 9912, 10266, 10556, 10738, 10920, 11310, 11505, 11977, 12180, 12390, 13195, 13688, 15080, 15340, 15834, 16107, 16520, 17110, 18408, 20532, 21112, 21476, 22243, 22620, 23010, 23954, 24360, 24780, 25665, 26390, 26845, 30680, 31668, 32214, 34220, 35931, 39585, 41064, 42952, 44486, 45240, 46020, 47908, 49560, 51330, 52780, 53690, 59885, 63336, 64428, 66729, 68440, 71862, 79170, 80535, 88972, 92040, 95816, 102660, 105560, 107380, 111215, 119770, 128856, 133458, 143724, 155701, 158340, 161070, 177944, 179655, 205320, 214760, 222430, 239540, 266916, 287448, 311402, 316680, 322140, 333645, 359310, 444860, 467103, 479080, 533832, 622804, 644280, 667290, 718620, 778505, 889720, 934206, 1245608, 1334580, 1437240, 1557010, 1868412, 2335515, 2669160, 3114020, 3736824, 4671030, 6228040, 9342060, 18684120]

約数ペア:

[(1, 18684120), (2, 9342060), (3, 6228040), (4, 4671030), (5, 3736824), (6, 3114020), (7, 2669160), (8, 2335515), (10, 1868412), (12, 1557010), (13, 1437240), (14, 1334580), (15, 1245608), (20, 934206), (21, 889720), (24, 778505), (26, 718620), (28, 667290), (29, 644280), (30, 622804), (35, 533832), (39, 479080), (40, 467103), (42, 444860), (52, 359310), (56, 333645), (58, 322140), (59, 316680), (60, 311402), (65, 287448), (70, 266916), (78, 239540), (84, 222430), (87, 214760), (91, 205320), (104, 179655), (105, 177944), (116, 161070), (118, 158340), (120, 155701), (130, 143724), (140, 133458), (145, 128856), (156, 119770), (168, 111215), (174, 107380), (177, 105560), (182, 102660), (195, 95816), (203, 92040), (210, 88972), (232, 80535), (236, 79170), (260, 71862), (273, 68440), (280, 66729), (290, 64428), (295, 63336), (312, 59885), (348, 53690), (354, 52780), (364, 51330), (377, 49560), (390, 47908), (406, 46020), (413, 45240), (420, 44486), (435, 42952), (455, 41064), (472, 39585), (520, 35931), (546, 34220), (580, 32214), (590, 31668), (609, 30680), (696, 26845), (708, 26390), (728, 25665), (754, 24780), (767, 24360), (780, 23954), (812, 23010), (826, 22620), (840, 22243), (870, 21476), (885, 21112), (910, 20532), (1015, 18408), (1092, 17110), (1131, 16520), (1160, 16107), (1180, 15834), (1218, 15340), (1239, 15080), (1365, 13688), (1416, 13195), (1508, 12390), (1534, 12180), (1560, 11977), (1624, 11505), (1652, 11310), (1711, 10920), (1740, 10738), (1770, 10556), (1820, 10266), (1885, 9912), (2030, 9204), (2065, 9048), (2184, 8555), (2262, 8260), (2301, 8120), (2360, 7917), (2436, 7670), (2478, 7540), (2639, 7080), (2730, 6844), (3016, 6195), (3045, 6136), (3068, 6090), (3304, 5655), (3422, 5460), (3480, 5369), (3540, 5278), (3640, 5133), (3770, 4956), (3835, 4872), (4060, 4602), (4130, 4524)]