389568720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1623203}}^1$

素因数の和:1623219

約数の個数: 40

約数和(自身を含む): 1207663776

約数和(自身を除く): 818095056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1623203, 3246406, 4869609, 6492812, 8116015, 9739218, 12985624, 16232030, 19478436, 24348045, 25971248, 32464060, 38956872, 48696090, 64928120, 77913744, 97392180, 129856240, 194784360, 389568720]

約数ペア:

[(1, 389568720), (2, 194784360), (3, 129856240), (4, 97392180), (5, 77913744), (6, 64928120), (8, 48696090), (10, 38956872), (12, 32464060), (15, 25971248), (16, 24348045), (20, 19478436), (24, 16232030), (30, 12985624), (40, 9739218), (48, 8116015), (60, 6492812), (80, 4869609), (120, 3246406), (240, 1623203)]