68886870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 179250624

約数和(自身を除く): 110363754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 173, 195, 346, 390, 519, 865, 1021, 1038, 1730, 2042, 2249, 2595, 3063, 4498, 5105, 5190, 6126, 6747, 10210, 11245, 13273, 13494, 15315, 22490, 26546, 30630, 33735, 39819, 66365, 67470, 79638, 132730, 176633, 199095, 353266, 398190, 529899, 883165, 1059798, 1766330, 2296229, 2649495, 4592458, 5298990, 6888687, 11481145, 13777374, 22962290, 34443435, 68886870]

約数ペア:

[(1, 68886870), (2, 34443435), (3, 22962290), (5, 13777374), (6, 11481145), (10, 6888687), (13, 5298990), (15, 4592458), (26, 2649495), (30, 2296229), (39, 1766330), (65, 1059798), (78, 883165), (130, 529899), (173, 398190), (195, 353266), (346, 199095), (390, 176633), (519, 132730), (865, 79638), (1021, 67470), (1038, 66365), (1730, 39819), (2042, 33735), (2249, 30630), (2595, 26546), (3063, 22490), (4498, 15315), (5105, 13494), (5190, 13273), (6126, 11245), (6747, 10210)]