68180840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18731}}^1$

素因数の和:18762

約数の個数: 64

約数和(自身を含む): 188818560

約数和(自身を除く): 120637720

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, 18731, 37462, 74924, 93655, 131117, 149848, 187310, 243503, 262234, 374620, 487006, 524468, 655585, 749240, 974012, 1048936, 1217515, 1311170, 1704521, 1948024, 2435030, 2622340, 3409042, 4870060, 5244680, 6818084, 8522605, 9740120, 13636168, 17045210, 34090420, 68180840]

約数ペア:

[(1, 68180840), (2, 34090420), (4, 17045210), (5, 13636168), (7, 9740120), (8, 8522605), (10, 6818084), (13, 5244680), (14, 4870060), (20, 3409042), (26, 2622340), (28, 2435030), (35, 1948024), (40, 1704521), (52, 1311170), (56, 1217515), (65, 1048936), (70, 974012), (91, 749240), (104, 655585), (130, 524468), (140, 487006), (182, 374620), (260, 262234), (280, 243503), (364, 187310), (455, 149848), (520, 131117), (728, 93655), (910, 74924), (1820, 37462), (3640, 18731)]