63994840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17581}}^1$

素因数の和:17612

約数の個数: 64

約数和(自身を含む): 177226560

約数和(自身を除く): 113231720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17581, 35162, 70324, 87905, 123067, 140648, 175810, 228553, 246134, 351620, 457106, 492268, 615335, 703240, 914212, 984536, 1142765, 1230670, 1599871, 1828424, 2285530, 2461340, 3199742, 4571060, 4922680, 6399484, 7999355, 9142120, 12798968, 15998710, 31997420, 63994840]

約数ペア:

[(1, 63994840), (2, 31997420), (4, 15998710), (5, 12798968), (7, 9142120), (8, 7999355), (10, 6399484), (13, 4922680), (14, 4571060), (20, 3199742), (26, 2461340), (28, 2285530), (35, 1828424), (40, 1599871), (52, 1230670), (56, 1142765), (65, 984536), (70, 914212), (91, 703240), (104, 615335), (130, 492268), (140, 457106), (182, 351620), (260, 246134), (280, 228553), (364, 175810), (455, 140648), (520, 123067), (728, 87905), (910, 70324), (1820, 35162), (3640, 17581)]