68571280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 100167920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 415, 449, 460, 664, 830, 898, 920, 1328, 1660, 1796, 1840, 1909, 2245, 3320, 3592, 3818, 4490, 6640, 7184, 7636, 8980, 9545, 10327, 15272, 17960, 19090, 20654, 30544, 35920, 37267, 38180, 41308, 51635, 74534, 76360, 82616, 103270, 149068, 152720, 165232, 186335, 206540, 298136, 372670, 413080, 596272, 745340, 826160, 857141, 1490680, 1714282, 2981360, 3428564, 4285705, 6857128, 8571410, 13714256, 17142820, 34285640, 68571280]

約数ペア:

[(1, 68571280), (2, 34285640), (4, 17142820), (5, 13714256), (8, 8571410), (10, 6857128), (16, 4285705), (20, 3428564), (23, 2981360), (40, 1714282), (46, 1490680), (80, 857141), (83, 826160), (92, 745340), (115, 596272), (166, 413080), (184, 372670), (230, 298136), (332, 206540), (368, 186335), (415, 165232), (449, 152720), (460, 149068), (664, 103270), (830, 82616), (898, 76360), (920, 74534), (1328, 51635), (1660, 41308), (1796, 38180), (1840, 37267), (1909, 35920), (2245, 30544), (3320, 20654), (3592, 19090), (3818, 17960), (4490, 15272), (6640, 10327), (7184, 9545), (7636, 8980)]