4027920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 13457472

約数和(自身を除く): 9429552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1291, 1560, 2582, 3120, 3873, 5164, 6455, 7746, 10328, 12910, 15492, 16783, 19365, 20656, 25820, 30984, 33566, 38730, 50349, 51640, 61968, 67132, 77460, 83915, 100698, 103280, 134264, 154920, 167830, 201396, 251745, 268528, 309840, 335660, 402792, 503490, 671320, 805584, 1006980, 1342640, 2013960, 4027920]

約数ペア:

[(1, 4027920), (2, 2013960), (3, 1342640), (4, 1006980), (5, 805584), (6, 671320), (8, 503490), (10, 402792), (12, 335660), (13, 309840), (15, 268528), (16, 251745), (20, 201396), (24, 167830), (26, 154920), (30, 134264), (39, 103280), (40, 100698), (48, 83915), (52, 77460), (60, 67132), (65, 61968), (78, 51640), (80, 50349), (104, 38730), (120, 33566), (130, 30984), (156, 25820), (195, 20656), (208, 19365), (240, 16783), (260, 15492), (312, 12910), (390, 10328), (520, 7746), (624, 6455), (780, 5164), (1040, 3873), (1291, 3120), (1560, 2582)]