81623772

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2615

約数の個数: 72

約数和(自身を含む): 221894400

約数和(自身を除く): 140270628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 893, 1692, 1786, 2539, 2679, 3572, 5078, 5358, 7617, 8037, 10156, 10716, 15234, 16074, 22851, 30468, 32148, 45702, 48241, 91404, 96482, 119333, 144723, 192964, 238666, 289446, 357999, 434169, 477332, 578892, 715998, 868338, 1073997, 1431996, 1736676, 2147994, 2267327, 4295988, 4534654, 6801981, 9069308, 13603962, 20405943, 27207924, 40811886, 81623772]

約数ペア:

[(1, 81623772), (2, 40811886), (3, 27207924), (4, 20405943), (6, 13603962), (9, 9069308), (12, 6801981), (18, 4534654), (19, 4295988), (36, 2267327), (38, 2147994), (47, 1736676), (57, 1431996), (76, 1073997), (94, 868338), (114, 715998), (141, 578892), (171, 477332), (188, 434169), (228, 357999), (282, 289446), (342, 238666), (423, 192964), (564, 144723), (684, 119333), (846, 96482), (893, 91404), (1692, 48241), (1786, 45702), (2539, 32148), (2679, 30468), (3572, 22851), (5078, 16074), (5358, 15234), (7617, 10716), (8037, 10156)]