15344771840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{386713}}^1$

素因数の和:386765

約数の個数: 72

約数和(自身を含む): 37941283968

約数和(自身を除く): 22596512128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 386713, 773426, 1546852, 1933565, 3093704, 3867130, 6187408, 7734260, 11988103, 12374816, 15468520, 23976206, 24749632, 30937040, 47952412, 49499264, 59940515, 61874080, 95904824, 98998528, 119881030, 123748160, 191809648, 239762060, 247496320, 383619296, 479524120, 494992640, 767238592, 959048240, 1534477184, 1918096480, 3068954368, 3836192960, 7672385920, 15344771840]

約数ペア:

[(1, 15344771840), (2, 7672385920), (4, 3836192960), (5, 3068954368), (8, 1918096480), (10, 1534477184), (16, 959048240), (20, 767238592), (31, 494992640), (32, 479524120), (40, 383619296), (62, 247496320), (64, 239762060), (80, 191809648), (124, 123748160), (128, 119881030), (155, 98998528), (160, 95904824), (248, 61874080), (256, 59940515), (310, 49499264), (320, 47952412), (496, 30937040), (620, 24749632), (640, 23976206), (992, 15468520), (1240, 12374816), (1280, 11988103), (1984, 7734260), (2480, 6187408), (3968, 3867130), (4960, 3093704), (7936, 1933565), (9920, 1546852), (19840, 773426), (39680, 386713)]