64121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 205419888

約数和(自身を除く): 141298368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 71, 80, 106, 120, 142, 159, 212, 213, 240, 265, 284, 318, 355, 424, 426, 530, 568, 636, 710, 795, 848, 852, 1060, 1065, 1136, 1272, 1420, 1590, 1704, 2120, 2130, 2544, 2840, 3180, 3408, 3763, 4240, 4260, 5041, 5680, 6360, 7526, 8520, 10082, 11289, 12720, 15052, 15123, 17040, 18815, 20164, 22578, 25205, 30104, 30246, 37630, 40328, 45156, 50410, 56445, 60208, 60492, 75260, 75615, 80656, 90312, 100820, 112890, 120984, 150520, 151230, 180624, 201640, 225780, 241968, 267173, 301040, 302460, 403280, 451560, 534346, 604920, 801519, 903120, 1068692, 1209840, 1335865, 1603038, 2137384, 2671730, 3206076, 4007595, 4274768, 5343460, 6412152, 8015190, 10686920, 12824304, 16030380, 21373840, 32060760, 64121520]

約数ペア:

[(1, 64121520), (2, 32060760), (3, 21373840), (4, 16030380), (5, 12824304), (6, 10686920), (8, 8015190), (10, 6412152), (12, 5343460), (15, 4274768), (16, 4007595), (20, 3206076), (24, 2671730), (30, 2137384), (40, 1603038), (48, 1335865), (53, 1209840), (60, 1068692), (71, 903120), (80, 801519), (106, 604920), (120, 534346), (142, 451560), (159, 403280), (212, 302460), (213, 301040), (240, 267173), (265, 241968), (284, 225780), (318, 201640), (355, 180624), (424, 151230), (426, 150520), (530, 120984), (568, 112890), (636, 100820), (710, 90312), (795, 80656), (848, 75615), (852, 75260), (1060, 60492), (1065, 60208), (1136, 56445), (1272, 50410), (1420, 45156), (1590, 40328), (1704, 37630), (2120, 30246), (2130, 30104), (2544, 25205), (2840, 22578), (3180, 20164), (3408, 18815), (3763, 17040), (4240, 15123), (4260, 15052), (5041, 12720), (5680, 11289), (6360, 10082), (7526, 8520)]