68596840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 179625600

約数和(自身を除く): 111028760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 53, 65, 76, 95, 104, 106, 130, 131, 152, 190, 212, 247, 260, 262, 265, 380, 424, 494, 520, 524, 530, 655, 689, 760, 988, 1007, 1048, 1060, 1235, 1310, 1378, 1703, 1976, 2014, 2120, 2470, 2489, 2620, 2756, 3406, 3445, 4028, 4940, 4978, 5035, 5240, 5512, 6812, 6890, 6943, 8056, 8515, 9880, 9956, 10070, 12445, 13091, 13624, 13780, 13886, 17030, 19912, 20140, 24890, 26182, 27560, 27772, 32357, 34060, 34715, 40280, 49780, 52364, 55544, 64714, 65455, 68120, 69430, 90259, 99560, 104728, 129428, 130910, 131917, 138860, 161785, 180518, 258856, 261820, 263834, 277720, 323570, 361036, 451295, 523640, 527668, 647140, 659585, 722072, 902590, 1055336, 1294280, 1319170, 1714921, 1805180, 2638340, 3429842, 3610360, 5276680, 6859684, 8574605, 13719368, 17149210, 34298420, 68596840]

約数ペア:

[(1, 68596840), (2, 34298420), (4, 17149210), (5, 13719368), (8, 8574605), (10, 6859684), (13, 5276680), (19, 3610360), (20, 3429842), (26, 2638340), (38, 1805180), (40, 1714921), (52, 1319170), (53, 1294280), (65, 1055336), (76, 902590), (95, 722072), (104, 659585), (106, 647140), (130, 527668), (131, 523640), (152, 451295), (190, 361036), (212, 323570), (247, 277720), (260, 263834), (262, 261820), (265, 258856), (380, 180518), (424, 161785), (494, 138860), (520, 131917), (524, 130910), (530, 129428), (655, 104728), (689, 99560), (760, 90259), (988, 69430), (1007, 68120), (1048, 65455), (1060, 64714), (1235, 55544), (1310, 52364), (1378, 49780), (1703, 40280), (1976, 34715), (2014, 34060), (2120, 32357), (2470, 27772), (2489, 27560), (2620, 26182), (2756, 24890), (3406, 20140), (3445, 19912), (4028, 17030), (4940, 13886), (4978, 13780), (5035, 13624), (5240, 13091), (5512, 12445), (6812, 10070), (6890, 9956), (6943, 9880), (8056, 8515)]