64840620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:979

約数の個数: 96

約数和(自身を含む): 197765568

約数和(自身を除く): 132924948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 857, 970, 1164, 1261, 1455, 1714, 1940, 2522, 2571, 2910, 3428, 3783, 4285, 5044, 5142, 5820, 6305, 7566, 8570, 10284, 11141, 12610, 12855, 15132, 17140, 18915, 22282, 25220, 25710, 33423, 37830, 44564, 51420, 55705, 66846, 75660, 83129, 111410, 133692, 166258, 167115, 222820, 249387, 332516, 334230, 415645, 498774, 668460, 831290, 997548, 1080677, 1246935, 1662580, 2161354, 2493870, 3242031, 4322708, 4987740, 5403385, 6484062, 10806770, 12968124, 16210155, 21613540, 32420310, 64840620]

約数ペア:

[(1, 64840620), (2, 32420310), (3, 21613540), (4, 16210155), (5, 12968124), (6, 10806770), (10, 6484062), (12, 5403385), (13, 4987740), (15, 4322708), (20, 3242031), (26, 2493870), (30, 2161354), (39, 1662580), (52, 1246935), (60, 1080677), (65, 997548), (78, 831290), (97, 668460), (130, 498774), (156, 415645), (194, 334230), (195, 332516), (260, 249387), (291, 222820), (388, 167115), (390, 166258), (485, 133692), (582, 111410), (780, 83129), (857, 75660), (970, 66846), (1164, 55705), (1261, 51420), (1455, 44564), (1714, 37830), (1940, 33423), (2522, 25710), (2571, 25220), (2910, 22282), (3428, 18915), (3783, 17140), (4285, 15132), (5044, 12855), (5142, 12610), (5820, 11141), (6305, 10284), (7566, 8570)]