77620590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 213497856

約数和(自身を除く): 135877266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 155, 186, 215, 258, 279, 310, 387, 430, 465, 558, 645, 647, 774, 930, 1290, 1294, 1333, 1395, 1935, 1941, 2666, 2790, 3235, 3870, 3882, 3999, 5823, 6470, 6665, 7998, 9705, 11646, 11997, 13330, 19410, 19995, 20057, 23994, 27821, 29115, 39990, 40114, 55642, 58230, 59985, 60171, 83463, 100285, 119970, 120342, 139105, 166926, 180513, 200570, 250389, 278210, 300855, 361026, 417315, 500778, 601710, 834630, 862451, 902565, 1251945, 1724902, 1805130, 2503890, 2587353, 4312255, 5174706, 7762059, 8624510, 12936765, 15524118, 25873530, 38810295, 77620590]

約数ペア:

[(1, 77620590), (2, 38810295), (3, 25873530), (5, 15524118), (6, 12936765), (9, 8624510), (10, 7762059), (15, 5174706), (18, 4312255), (30, 2587353), (31, 2503890), (43, 1805130), (45, 1724902), (62, 1251945), (86, 902565), (90, 862451), (93, 834630), (129, 601710), (155, 500778), (186, 417315), (215, 361026), (258, 300855), (279, 278210), (310, 250389), (387, 200570), (430, 180513), (465, 166926), (558, 139105), (645, 120342), (647, 119970), (774, 100285), (930, 83463), (1290, 60171), (1294, 59985), (1333, 58230), (1395, 55642), (1935, 40114), (1941, 39990), (2666, 29115), (2790, 27821), (3235, 23994), (3870, 20057), (3882, 19995), (3999, 19410), (5823, 13330), (6470, 11997), (6665, 11646), (7998, 9705)]