68401575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 138406320

約数和(自身を除く): 70004745

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 87, 99, 145, 165, 225, 261, 275, 319, 435, 495, 725, 825, 953, 957, 1305, 1595, 2175, 2475, 2859, 2871, 4765, 4785, 6525, 7975, 8577, 10483, 14295, 14355, 23825, 23925, 27637, 31449, 42885, 52415, 71475, 71775, 82911, 94347, 138185, 157245, 214425, 248733, 262075, 304007, 414555, 471735, 690925, 786225, 912021, 1243665, 1520035, 2072775, 2358675, 2736063, 4560105, 6218325, 7600175, 13680315, 22800525, 68401575]

約数ペア:

[(1, 68401575), (3, 22800525), (5, 13680315), (9, 7600175), (11, 6218325), (15, 4560105), (25, 2736063), (29, 2358675), (33, 2072775), (45, 1520035), (55, 1243665), (75, 912021), (87, 786225), (99, 690925), (145, 471735), (165, 414555), (225, 304007), (261, 262075), (275, 248733), (319, 214425), (435, 157245), (495, 138185), (725, 94347), (825, 82911), (953, 71775), (957, 71475), (1305, 52415), (1595, 42885), (2175, 31449), (2475, 27637), (2859, 23925), (2871, 23825), (4765, 14355), (4785, 14295), (6525, 10483), (7975, 8577)]