81381300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 317313024

約数和(自身を除く): 235931724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 25, 26, 28, 30, 33, 35, 39, 42, 44, 50, 52, 55, 60, 65, 66, 70, 75, 77, 78, 84, 91, 100, 105, 110, 130, 132, 140, 143, 150, 154, 156, 165, 175, 182, 195, 210, 220, 231, 260, 271, 273, 275, 286, 300, 308, 325, 330, 350, 364, 385, 390, 420, 429, 455, 462, 525, 542, 546, 550, 572, 650, 660, 700, 715, 770, 780, 813, 825, 858, 910, 924, 975, 1001, 1050, 1084, 1092, 1100, 1155, 1300, 1355, 1365, 1430, 1540, 1626, 1650, 1716, 1820, 1897, 1925, 1950, 2002, 2100, 2145, 2275, 2310, 2710, 2730, 2860, 2981, 3003, 3252, 3300, 3523, 3575, 3794, 3850, 3900, 4004, 4065, 4290, 4550, 4620, 5005, 5420, 5460, 5691, 5775, 5962, 6006, 6775, 6825, 7046, 7150, 7588, 7700, 8130, 8580, 8943, 9100, 9485, 10010, 10569, 10725, 11382, 11550, 11924, 12012, 13550, 13650, 14092, 14300, 14905, 15015, 16260, 17615, 17886, 18970, 20020, 20325, 20867, 21138, 21450, 22764, 23100, 24661, 25025, 27100, 27300, 28455, 29810, 30030, 35230, 35772, 37940, 38753, 40650, 41734, 42276, 42900, 44715, 47425, 49322, 50050, 52845, 56910, 59620, 60060, 62601, 70460, 73983, 74525, 75075, 77506, 81300, 83468, 88075, 89430, 94850, 98644, 100100, 104335, 105690, 113820, 116259, 123305, 125202, 142275, 147966, 149050, 150150, 155012, 176150, 178860, 189700, 193765, 208670, 211380, 223575, 232518, 246610, 250404, 264225, 271271, 284550, 295932, 298100, 300300, 313005, 352300, 369915, 387530, 417340, 447150, 465036, 493220, 521675, 528450, 542542, 569100, 581295, 616525, 626010, 739830, 775060, 813813, 894300, 968825, 1043350, 1056900, 1085084, 1162590, 1233050, 1252020, 1356355, 1479660, 1565025, 1627626, 1849575, 1937650, 2086700, 2325180, 2466100, 2712710, 2906475, 3130050, 3255252, 3699150, 3875300, 4069065, 5425420, 5812950, 6260100, 6781775, 7398300, 8138130, 11625900, 13563550, 16276260, 20345325, 27127100, 40690650, 81381300]

約数ペア:

[(1, 81381300), (2, 40690650), (3, 27127100), (4, 20345325), (5, 16276260), (6, 13563550), (7, 11625900), (10, 8138130), (11, 7398300), (12, 6781775), (13, 6260100), (14, 5812950), (15, 5425420), (20, 4069065), (21, 3875300), (22, 3699150), (25, 3255252), (26, 3130050), (28, 2906475), (30, 2712710), (33, 2466100), (35, 2325180), (39, 2086700), (42, 1937650), (44, 1849575), (50, 1627626), (52, 1565025), (55, 1479660), (60, 1356355), (65, 1252020), (66, 1233050), (70, 1162590), (75, 1085084), (77, 1056900), (78, 1043350), (84, 968825), (91, 894300), (100, 813813), (105, 775060), (110, 739830), (130, 626010), (132, 616525), (140, 581295), (143, 569100), (150, 542542), (154, 528450), (156, 521675), (165, 493220), (175, 465036), (182, 447150), (195, 417340), (210, 387530), (220, 369915), (231, 352300), (260, 313005), (271, 300300), (273, 298100), (275, 295932), (286, 284550), (300, 271271), (308, 264225), (325, 250404), (330, 246610), (350, 232518), (364, 223575), (385, 211380), (390, 208670), (420, 193765), (429, 189700), (455, 178860), (462, 176150), (525, 155012), (542, 150150), (546, 149050), (550, 147966), (572, 142275), (650, 125202), (660, 123305), (700, 116259), (715, 113820), (770, 105690), (780, 104335), (813, 100100), (825, 98644), (858, 94850), (910, 89430), (924, 88075), (975, 83468), (1001, 81300), (1050, 77506), (1084, 75075), (1092, 74525), (1100, 73983), (1155, 70460), (1300, 62601), (1355, 60060), (1365, 59620), (1430, 56910), (1540, 52845), (1626, 50050), (1650, 49322), (1716, 47425), (1820, 44715), (1897, 42900), (1925, 42276), (1950, 41734), (2002, 40650), (2100, 38753), (2145, 37940), (2275, 35772), (2310, 35230), (2710, 30030), (2730, 29810), (2860, 28455), (2981, 27300), (3003, 27100), (3252, 25025), (3300, 24661), (3523, 23100), (3575, 22764), (3794, 21450), (3850, 21138), (3900, 20867), (4004, 20325), (4065, 20020), (4290, 18970), (4550, 17886), (4620, 17615), (5005, 16260), (5420, 15015), (5460, 14905), (5691, 14300), (5775, 14092), (5962, 13650), (6006, 13550), (6775, 12012), (6825, 11924), (7046, 11550), (7150, 11382), (7588, 10725), (7700, 10569), (8130, 10010), (8580, 9485), (8943, 9100)]