40450440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{647}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 121772160

約数和(自身を除く): 81321720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 647, 1042, 1294, 1563, 1941, 2084, 2588, 2605, 3126, 3235, 3882, 4168, 5176, 5210, 6252, 6470, 7764, 7815, 9705, 10420, 12504, 12940, 15528, 15630, 19410, 20840, 25880, 31260, 38820, 62520, 77640, 337087, 674174, 1011261, 1348348, 1685435, 2022522, 2696696, 3370870, 4045044, 5056305, 6741740, 8090088, 10112610, 13483480, 20225220, 40450440]

約数ペア:

[(1, 40450440), (2, 20225220), (3, 13483480), (4, 10112610), (5, 8090088), (6, 6741740), (8, 5056305), (10, 4045044), (12, 3370870), (15, 2696696), (20, 2022522), (24, 1685435), (30, 1348348), (40, 1011261), (60, 674174), (120, 337087), (521, 77640), (647, 62520), (1042, 38820), (1294, 31260), (1563, 25880), (1941, 20840), (2084, 19410), (2588, 15630), (2605, 15528), (3126, 12940), (3235, 12504), (3882, 10420), (4168, 9705), (5176, 7815), (5210, 7764), (6252, 6470)]