78643920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1553}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 245109312

約数和(自身を除く): 166465392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1553, 1688, 2110, 2532, 3106, 3165, 3376, 4220, 4659, 5064, 6212, 6330, 7765, 8440, 9318, 10128, 12424, 12660, 15530, 16880, 18636, 23295, 24848, 25320, 31060, 37272, 46590, 50640, 62120, 74544, 93180, 124240, 186360, 327683, 372720, 655366, 983049, 1310732, 1638415, 1966098, 2621464, 3276830, 3932196, 4915245, 5242928, 6553660, 7864392, 9830490, 13107320, 15728784, 19660980, 26214640, 39321960, 78643920]

約数ペア:

[(1, 78643920), (2, 39321960), (3, 26214640), (4, 19660980), (5, 15728784), (6, 13107320), (8, 9830490), (10, 7864392), (12, 6553660), (15, 5242928), (16, 4915245), (20, 3932196), (24, 3276830), (30, 2621464), (40, 1966098), (48, 1638415), (60, 1310732), (80, 983049), (120, 655366), (211, 372720), (240, 327683), (422, 186360), (633, 124240), (844, 93180), (1055, 74544), (1266, 62120), (1553, 50640), (1688, 46590), (2110, 37272), (2532, 31060), (3106, 25320), (3165, 24848), (3376, 23295), (4220, 18636), (4659, 16880), (5064, 15530), (6212, 12660), (6330, 12424), (7765, 10128), (8440, 9318)]