8157990120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{9711893}}^1$

素因数の和:9711914

約数の個数: 64

約数和(自身を含む): 27970254720

約数和(自身を除く): 19812264600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 9711893, 19423786, 29135679, 38847572, 48559465, 58271358, 67983251, 77695144, 97118930, 116542716, 135966502, 145678395, 194237860, 203949753, 233085432, 271933004, 291356790, 339916255, 388475720, 407899506, 543866008, 582713580, 679832510, 815799012, 1019748765, 1165427160, 1359665020, 1631598024, 2039497530, 2719330040, 4078995060, 8157990120]

約数ペア:

[(1, 8157990120), (2, 4078995060), (3, 2719330040), (4, 2039497530), (5, 1631598024), (6, 1359665020), (7, 1165427160), (8, 1019748765), (10, 815799012), (12, 679832510), (14, 582713580), (15, 543866008), (20, 407899506), (21, 388475720), (24, 339916255), (28, 291356790), (30, 271933004), (35, 233085432), (40, 203949753), (42, 194237860), (56, 145678395), (60, 135966502), (70, 116542716), (84, 97118930), (105, 77695144), (120, 67983251), (140, 58271358), (168, 48559465), (210, 38847572), (280, 29135679), (420, 19423786), (840, 9711893)]