256160160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{177889}}^1$

素因数の和:177910

約数の個数: 72

約数和(自身を含む): 874151460

約数和(自身を除く): 617991300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 177889, 355778, 533667, 711556, 889445, 1067334, 1423112, 1601001, 1778890, 2134668, 2668335, 2846224, 3202002, 3557780, 4269336, 5336670, 5692448, 6404004, 7115560, 8005005, 8538672, 10673340, 12808008, 14231120, 16010010, 17077344, 21346680, 25616016, 28462240, 32020020, 42693360, 51232032, 64040040, 85386720, 128080080, 256160160]

約数ペア:

[(1, 256160160), (2, 128080080), (3, 85386720), (4, 64040040), (5, 51232032), (6, 42693360), (8, 32020020), (9, 28462240), (10, 25616016), (12, 21346680), (15, 17077344), (16, 16010010), (18, 14231120), (20, 12808008), (24, 10673340), (30, 8538672), (32, 8005005), (36, 7115560), (40, 6404004), (45, 5692448), (48, 5336670), (60, 4269336), (72, 3557780), (80, 3202002), (90, 2846224), (96, 2668335), (120, 2134668), (144, 1778890), (160, 1601001), (180, 1423112), (240, 1067334), (288, 889445), (360, 711556), (480, 533667), (720, 355778), (1440, 177889)]