4781440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 11848320

約数和(自身を除く): 7066880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 241, 248, 310, 320, 482, 496, 620, 640, 964, 992, 1205, 1240, 1928, 1984, 2410, 2480, 3856, 3968, 4820, 4960, 7471, 7712, 9640, 9920, 14942, 15424, 19280, 19840, 29884, 30848, 37355, 38560, 59768, 74710, 77120, 119536, 149420, 154240, 239072, 298840, 478144, 597680, 956288, 1195360, 2390720, 4781440]

約数ペア:

[(1, 4781440), (2, 2390720), (4, 1195360), (5, 956288), (8, 597680), (10, 478144), (16, 298840), (20, 239072), (31, 154240), (32, 149420), (40, 119536), (62, 77120), (64, 74710), (80, 59768), (124, 38560), (128, 37355), (155, 30848), (160, 29884), (241, 19840), (248, 19280), (310, 15424), (320, 14942), (482, 9920), (496, 9640), (620, 7712), (640, 7471), (964, 4960), (992, 4820), (1205, 3968), (1240, 3856), (1928, 2480), (1984, 2410)]