123666720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257639}}^1$

素因数の和:257657

約数の個数: 48

約数和(自身を含む): 389551680

約数和(自身を除く): 265884960

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, 257639, 515278, 772917, 1030556, 1288195, 1545834, 2061112, 2576390, 3091668, 3864585, 4122224, 5152780, 6183336, 7729170, 8244448, 10305560, 12366672, 15458340, 20611120, 24733344, 30916680, 41222240, 61833360, 123666720]

約数ペア:

[(1, 123666720), (2, 61833360), (3, 41222240), (4, 30916680), (5, 24733344), (6, 20611120), (8, 15458340), (10, 12366672), (12, 10305560), (15, 8244448), (16, 7729170), (20, 6183336), (24, 5152780), (30, 4122224), (32, 3864585), (40, 3091668), (48, 2576390), (60, 2061112), (80, 1545834), (96, 1288195), (120, 1030556), (160, 772917), (240, 515278), (480, 257639)]