1915191720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8707}}^1$

素因数の和:8784

約数の個数: 192

約数和(自身を含む): 6846577920

約数和(自身を除く): 4931386200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 52, 60, 65, 72, 78, 90, 94, 104, 117, 120, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 705, 780, 846, 936, 940, 1128, 1170, 1222, 1410, 1560, 1692, 1833, 1880, 2115, 2340, 2444, 2820, 3055, 3384, 3666, 4230, 4680, 4888, 5499, 5640, 6110, 7332, 8460, 8707, 9165, 10998, 12220, 14664, 16920, 17414, 18330, 21996, 24440, 26121, 27495, 34828, 36660, 43535, 43992, 52242, 54990, 69656, 73320, 78363, 87070, 104484, 109980, 113191, 130605, 156726, 174140, 208968, 219960, 226382, 261210, 313452, 339573, 348280, 391815, 409229, 452764, 522420, 565955, 626904, 679146, 783630, 818458, 905528, 1018719, 1044840, 1131910, 1227687, 1358292, 1567260, 1636916, 1697865, 2037438, 2046145, 2263820, 2455374, 2716584, 3134520, 3273832, 3395730, 3683061, 4074876, 4092290, 4527640, 4910748, 5093595, 5319977, 6138435, 6791460, 7366122, 8149752, 8184580, 9821496, 10187190, 10639954, 12276870, 13582920, 14732244, 15959931, 16369160, 18415305, 20374380, 21279908, 24553740, 26599885, 29464488, 31919862, 36830610, 40748760, 42559816, 47879793, 49107480, 53199770, 63839724, 73661220, 79799655, 95759586, 106399540, 127679448, 147322440, 159599310, 191519172, 212799080, 239398965, 319198620, 383038344, 478797930, 638397240, 957595860, 1915191720]

約数ペア:

[(1, 1915191720), (2, 957595860), (3, 638397240), (4, 478797930), (5, 383038344), (6, 319198620), (8, 239398965), (9, 212799080), (10, 191519172), (12, 159599310), (13, 147322440), (15, 127679448), (18, 106399540), (20, 95759586), (24, 79799655), (26, 73661220), (30, 63839724), (36, 53199770), (39, 49107480), (40, 47879793), (45, 42559816), (47, 40748760), (52, 36830610), (60, 31919862), (65, 29464488), (72, 26599885), (78, 24553740), (90, 21279908), (94, 20374380), (104, 18415305), (117, 16369160), (120, 15959931), (130, 14732244), (141, 13582920), (156, 12276870), (180, 10639954), (188, 10187190), (195, 9821496), (234, 8184580), (235, 8149752), (260, 7366122), (282, 6791460), (312, 6138435), (360, 5319977), (376, 5093595), (390, 4910748), (423, 4527640), (468, 4092290), (470, 4074876), (520, 3683061), (564, 3395730), (585, 3273832), (611, 3134520), (705, 2716584), (780, 2455374), (846, 2263820), (936, 2046145), (940, 2037438), (1128, 1697865), (1170, 1636916), (1222, 1567260), (1410, 1358292), (1560, 1227687), (1692, 1131910), (1833, 1044840), (1880, 1018719), (2115, 905528), (2340, 818458), (2444, 783630), (2820, 679146), (3055, 626904), (3384, 565955), (3666, 522420), (4230, 452764), (4680, 409229), (4888, 391815), (5499, 348280), (5640, 339573), (6110, 313452), (7332, 261210), (8460, 226382), (8707, 219960), (9165, 208968), (10998, 174140), (12220, 156726), (14664, 130605), (16920, 113191), (17414, 109980), (18330, 104484), (21996, 87070), (24440, 78363), (26121, 73320), (27495, 69656), (34828, 54990), (36660, 52242), (43535, 43992)]