1256709480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{805583}}^1$

素因数の和:805610

約数の個数: 64

約数和(自身を含む): 4060143360

約数和(自身を除く): 2803433880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 805583, 1611166, 2416749, 3222332, 4027915, 4833498, 6444664, 8055830, 9666996, 10472579, 12083745, 16111660, 19333992, 20945158, 24167490, 31417737, 32223320, 41890316, 48334980, 52362895, 62835474, 83780632, 96669960, 104725790, 125670948, 157088685, 209451580, 251341896, 314177370, 418903160, 628354740, 1256709480]

約数ペア:

[(1, 1256709480), (2, 628354740), (3, 418903160), (4, 314177370), (5, 251341896), (6, 209451580), (8, 157088685), (10, 125670948), (12, 104725790), (13, 96669960), (15, 83780632), (20, 62835474), (24, 52362895), (26, 48334980), (30, 41890316), (39, 32223320), (40, 31417737), (52, 24167490), (60, 20945158), (65, 19333992), (78, 16111660), (104, 12083745), (120, 10472579), (130, 9666996), (156, 8055830), (195, 6444664), (260, 4833498), (312, 4027915), (390, 3222332), (520, 2416749), (780, 1611166), (1560, 805583)]