90306164

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 184464000

約数和(自身を除く): 94157836

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 89, 158, 169, 178, 247, 316, 338, 356, 494, 676, 988, 1027, 1157, 1501, 1691, 2054, 2314, 3002, 3211, 3382, 4108, 4628, 6004, 6422, 6764, 7031, 12844, 13351, 14062, 15041, 19513, 21983, 26702, 28124, 30082, 39026, 43966, 53404, 60164, 78052, 87932, 91403, 133589, 182806, 253669, 267178, 285779, 365612, 507338, 534356, 571558, 1014676, 1143116, 1188239, 1736657, 2376478, 3473314, 4752956, 6946628, 22576541, 45153082, 90306164]

約数ペア:

[(1, 90306164), (2, 45153082), (4, 22576541), (13, 6946628), (19, 4752956), (26, 3473314), (38, 2376478), (52, 1736657), (76, 1188239), (79, 1143116), (89, 1014676), (158, 571558), (169, 534356), (178, 507338), (247, 365612), (316, 285779), (338, 267178), (356, 253669), (494, 182806), (676, 133589), (988, 91403), (1027, 87932), (1157, 78052), (1501, 60164), (1691, 53404), (2054, 43966), (2314, 39026), (3002, 30082), (3211, 28124), (3382, 26702), (4108, 21983), (4628, 19513), (6004, 15041), (6422, 14062), (6764, 13351), (7031, 12844)]