19506720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40639}}^1$

素因数の和:40657

約数の個数: 48

約数和(自身を含む): 61447680

約数和(自身を除く): 41940960

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, 40639, 81278, 121917, 162556, 203195, 243834, 325112, 406390, 487668, 609585, 650224, 812780, 975336, 1219170, 1300448, 1625560, 1950672, 2438340, 3251120, 3901344, 4876680, 6502240, 9753360, 19506720]

約数ペア:

[(1, 19506720), (2, 9753360), (3, 6502240), (4, 4876680), (5, 3901344), (6, 3251120), (8, 2438340), (10, 1950672), (12, 1625560), (15, 1300448), (16, 1219170), (20, 975336), (24, 812780), (30, 650224), (32, 609585), (40, 487668), (48, 406390), (60, 325112), (80, 243834), (96, 203195), (120, 162556), (160, 121917), (240, 81278), (480, 40639)]