68290640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 175810176

約数和(自身を除く): 107519536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1093, 1136, 1420, 1562, 2186, 2840, 3124, 3905, 4372, 5465, 5680, 6248, 7810, 8744, 10930, 12023, 12496, 15620, 17488, 21860, 24046, 31240, 43720, 48092, 60115, 62480, 77603, 87440, 96184, 120230, 155206, 192368, 240460, 310412, 388015, 480920, 620824, 776030, 853633, 961840, 1241648, 1552060, 1707266, 3104120, 3414532, 4268165, 6208240, 6829064, 8536330, 13658128, 17072660, 34145320, 68290640]

約数ペア:

[(1, 68290640), (2, 34145320), (4, 17072660), (5, 13658128), (8, 8536330), (10, 6829064), (11, 6208240), (16, 4268165), (20, 3414532), (22, 3104120), (40, 1707266), (44, 1552060), (55, 1241648), (71, 961840), (80, 853633), (88, 776030), (110, 620824), (142, 480920), (176, 388015), (220, 310412), (284, 240460), (355, 192368), (440, 155206), (568, 120230), (710, 96184), (781, 87440), (880, 77603), (1093, 62480), (1136, 60115), (1420, 48092), (1562, 43720), (2186, 31240), (2840, 24046), (3124, 21860), (3905, 17488), (4372, 15620), (5465, 12496), (5680, 12023), (6248, 10930), (7810, 8744)]