64755550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 137401920

約数和(自身を除く): 72646370

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 37, 50, 58, 71, 74, 85, 142, 145, 170, 185, 290, 355, 370, 425, 493, 629, 710, 725, 850, 925, 986, 1073, 1207, 1258, 1450, 1775, 1850, 2059, 2146, 2414, 2465, 2627, 3145, 3550, 4118, 4930, 5254, 5365, 6035, 6290, 10295, 10730, 12070, 12325, 13135, 15725, 18241, 20590, 24650, 26270, 26825, 30175, 31450, 35003, 36482, 44659, 51475, 53650, 60350, 65675, 70006, 76183, 89318, 91205, 102950, 131350, 152366, 175015, 182410, 223295, 350030, 380915, 446590, 456025, 761830, 875075, 912050, 1116475, 1295111, 1750150, 1904575, 2232950, 2590222, 3809150, 6475555, 12951110, 32377775, 64755550]

約数ペア:

[(1, 64755550), (2, 32377775), (5, 12951110), (10, 6475555), (17, 3809150), (25, 2590222), (29, 2232950), (34, 1904575), (37, 1750150), (50, 1295111), (58, 1116475), (71, 912050), (74, 875075), (85, 761830), (142, 456025), (145, 446590), (170, 380915), (185, 350030), (290, 223295), (355, 182410), (370, 175015), (425, 152366), (493, 131350), (629, 102950), (710, 91205), (725, 89318), (850, 76183), (925, 70006), (986, 65675), (1073, 60350), (1207, 53650), (1258, 51475), (1450, 44659), (1775, 36482), (1850, 35003), (2059, 31450), (2146, 30175), (2414, 26825), (2465, 26270), (2627, 24650), (3145, 20590), (3550, 18241), (4118, 15725), (4930, 13135), (5254, 12325), (5365, 12070), (6035, 10730), (6290, 10295)]