65215280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 165718560

約数和(自身を除く): 100503280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 859, 949, 1040, 1168, 1460, 1718, 1898, 2920, 3436, 3796, 4295, 4745, 5840, 6872, 7592, 8590, 9490, 11167, 13744, 15184, 17180, 18980, 22334, 34360, 37960, 44668, 55835, 62707, 68720, 75920, 89336, 111670, 125414, 178672, 223340, 250828, 313535, 446680, 501656, 627070, 815191, 893360, 1003312, 1254140, 1630382, 2508280, 3260764, 4075955, 5016560, 6521528, 8151910, 13043056, 16303820, 32607640, 65215280]

約数ペア:

[(1, 65215280), (2, 32607640), (4, 16303820), (5, 13043056), (8, 8151910), (10, 6521528), (13, 5016560), (16, 4075955), (20, 3260764), (26, 2508280), (40, 1630382), (52, 1254140), (65, 1003312), (73, 893360), (80, 815191), (104, 627070), (130, 501656), (146, 446680), (208, 313535), (260, 250828), (292, 223340), (365, 178672), (520, 125414), (584, 111670), (730, 89336), (859, 75920), (949, 68720), (1040, 62707), (1168, 55835), (1460, 44668), (1718, 37960), (1898, 34360), (2920, 22334), (3436, 18980), (3796, 17180), (4295, 15184), (4745, 13744), (5840, 11167), (6872, 9490), (7592, 8590)]