81497520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8739

約数の個数: 120

約数和(自身を含む): 294783216

約数和(自身を除く): 213285696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8707, 9360, 17414, 26121, 34828, 43535, 52242, 69656, 78363, 87070, 104484, 113191, 130605, 139312, 156726, 174140, 208968, 226382, 261210, 313452, 339573, 348280, 391815, 417936, 452764, 522420, 565955, 626904, 679146, 696560, 783630, 905528, 1018719, 1044840, 1131910, 1253808, 1358292, 1567260, 1697865, 1811056, 2037438, 2089680, 2263820, 2716584, 3134520, 3395730, 4074876, 4527640, 5093595, 5433168, 6269040, 6791460, 8149752, 9055280, 10187190, 13582920, 16299504, 20374380, 27165840, 40748760, 81497520]

約数ペア:

[(1, 81497520), (2, 40748760), (3, 27165840), (4, 20374380), (5, 16299504), (6, 13582920), (8, 10187190), (9, 9055280), (10, 8149752), (12, 6791460), (13, 6269040), (15, 5433168), (16, 5093595), (18, 4527640), (20, 4074876), (24, 3395730), (26, 3134520), (30, 2716584), (36, 2263820), (39, 2089680), (40, 2037438), (45, 1811056), (48, 1697865), (52, 1567260), (60, 1358292), (65, 1253808), (72, 1131910), (78, 1044840), (80, 1018719), (90, 905528), (104, 783630), (117, 696560), (120, 679146), (130, 626904), (144, 565955), (156, 522420), (180, 452764), (195, 417936), (208, 391815), (234, 348280), (240, 339573), (260, 313452), (312, 261210), (360, 226382), (390, 208968), (468, 174140), (520, 156726), (585, 139312), (624, 130605), (720, 113191), (780, 104484), (936, 87070), (1040, 78363), (1170, 69656), (1560, 52242), (1872, 43535), (2340, 34828), (3120, 26121), (4680, 17414), (8707, 9360)]