2666760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 8138880

約数和(自身を除く): 5472120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 313, 355, 426, 568, 626, 710, 852, 939, 1065, 1252, 1420, 1565, 1704, 1878, 2130, 2504, 2840, 3130, 3756, 4260, 4695, 6260, 7512, 8520, 9390, 12520, 18780, 22223, 37560, 44446, 66669, 88892, 111115, 133338, 177784, 222230, 266676, 333345, 444460, 533352, 666690, 888920, 1333380, 2666760]

約数ペア:

[(1, 2666760), (2, 1333380), (3, 888920), (4, 666690), (5, 533352), (6, 444460), (8, 333345), (10, 266676), (12, 222230), (15, 177784), (20, 133338), (24, 111115), (30, 88892), (40, 66669), (60, 44446), (71, 37560), (120, 22223), (142, 18780), (213, 12520), (284, 9390), (313, 8520), (355, 7512), (426, 6260), (568, 4695), (626, 4260), (710, 3756), (852, 3130), (939, 2840), (1065, 2504), (1252, 2130), (1420, 1878), (1565, 1704)]