90391280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23059}}^1$

素因数の和:23086

約数の個数: 60

約数和(自身を含む): 244482120

約数和(自身を除く): 154090840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23059, 46118, 92236, 115295, 161413, 184472, 230590, 322826, 368944, 461180, 645652, 807065, 922360, 1129891, 1291304, 1614130, 1844720, 2259782, 2582608, 3228260, 4519564, 5649455, 6456520, 9039128, 11298910, 12913040, 18078256, 22597820, 45195640, 90391280]

約数ペア:

[(1, 90391280), (2, 45195640), (4, 22597820), (5, 18078256), (7, 12913040), (8, 11298910), (10, 9039128), (14, 6456520), (16, 5649455), (20, 4519564), (28, 3228260), (35, 2582608), (40, 2259782), (49, 1844720), (56, 1614130), (70, 1291304), (80, 1129891), (98, 922360), (112, 807065), (140, 645652), (196, 461180), (245, 368944), (280, 322826), (392, 230590), (490, 184472), (560, 161413), (784, 115295), (980, 92236), (1960, 46118), (3920, 23059)]