690869840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1476

約数の個数: 80

約数和(自身を含む): 1650751488

約数和(自身を除く): 959881648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 127, 212, 254, 265, 424, 508, 530, 635, 848, 1016, 1060, 1270, 1283, 2032, 2120, 2540, 2566, 4240, 5080, 5132, 6415, 6731, 10160, 10264, 12830, 13462, 20528, 25660, 26924, 33655, 51320, 53848, 67310, 67999, 102640, 107696, 134620, 135998, 162941, 269240, 271996, 325882, 339995, 538480, 543992, 651764, 679990, 814705, 1087984, 1303528, 1359980, 1629410, 2607056, 2719960, 3258820, 5439920, 6517640, 8635873, 13035280, 17271746, 34543492, 43179365, 69086984, 86358730, 138173968, 172717460, 345434920, 690869840]

約数ペア:

[(1, 690869840), (2, 345434920), (4, 172717460), (5, 138173968), (8, 86358730), (10, 69086984), (16, 43179365), (20, 34543492), (40, 17271746), (53, 13035280), (80, 8635873), (106, 6517640), (127, 5439920), (212, 3258820), (254, 2719960), (265, 2607056), (424, 1629410), (508, 1359980), (530, 1303528), (635, 1087984), (848, 814705), (1016, 679990), (1060, 651764), (1270, 543992), (1283, 538480), (2032, 339995), (2120, 325882), (2540, 271996), (2566, 269240), (4240, 162941), (5080, 135998), (5132, 134620), (6415, 107696), (6731, 102640), (10160, 67999), (10264, 67310), (12830, 53848), (13462, 51320), (20528, 33655), (25660, 26924)]