21666720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45139}}^1$

素因数の和:45157

約数の個数: 48

約数和(自身を含む): 68251680

約数和(自身を除く): 46584960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45139, 90278, 135417, 180556, 225695, 270834, 361112, 451390, 541668, 677085, 722224, 902780, 1083336, 1354170, 1444448, 1805560, 2166672, 2708340, 3611120, 4333344, 5416680, 7222240, 10833360, 21666720]

約数ペア:

[(1, 21666720), (2, 10833360), (3, 7222240), (4, 5416680), (5, 4333344), (6, 3611120), (8, 2708340), (10, 2166672), (12, 1805560), (15, 1444448), (16, 1354170), (20, 1083336), (24, 902780), (30, 722224), (32, 677085), (40, 541668), (48, 451390), (60, 361112), (80, 270834), (96, 225695), (120, 180556), (160, 135417), (240, 90278), (480, 45139)]