164620680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195977}}^1$

素因数の和:195998

約数の個数: 64

約数和(自身を含む): 564416640

約数和(自身を除く): 399795960

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, 195977, 391954, 587931, 783908, 979885, 1175862, 1371839, 1567816, 1959770, 2351724, 2743678, 2939655, 3919540, 4115517, 4703448, 5487356, 5879310, 6859195, 7839080, 8231034, 10974712, 11758620, 13718390, 16462068, 20577585, 23517240, 27436780, 32924136, 41155170, 54873560, 82310340, 164620680]

約数ペア:

[(1, 164620680), (2, 82310340), (3, 54873560), (4, 41155170), (5, 32924136), (6, 27436780), (7, 23517240), (8, 20577585), (10, 16462068), (12, 13718390), (14, 11758620), (15, 10974712), (20, 8231034), (21, 7839080), (24, 6859195), (28, 5879310), (30, 5487356), (35, 4703448), (40, 4115517), (42, 3919540), (56, 2939655), (60, 2743678), (70, 2351724), (84, 1959770), (105, 1567816), (120, 1371839), (140, 1175862), (168, 979885), (210, 783908), (280, 587931), (420, 391954), (840, 195977)]