642888720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{892901}}^1$

素因数の和:892920

約数の個数: 60

約数和(自身を含む): 2159037036

約数和(自身を除く): 1516148316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 892901, 1785802, 2678703, 3571604, 4464505, 5357406, 7143208, 8036109, 8929010, 10714812, 13393515, 14286416, 16072218, 17858020, 21429624, 26787030, 32144436, 35716040, 40180545, 42859248, 53574060, 64288872, 71432080, 80361090, 107148120, 128577744, 160722180, 214296240, 321444360, 642888720]

約数ペア:

[(1, 642888720), (2, 321444360), (3, 214296240), (4, 160722180), (5, 128577744), (6, 107148120), (8, 80361090), (9, 71432080), (10, 64288872), (12, 53574060), (15, 42859248), (16, 40180545), (18, 35716040), (20, 32144436), (24, 26787030), (30, 21429624), (36, 17858020), (40, 16072218), (45, 14286416), (48, 13393515), (60, 10714812), (72, 8929010), (80, 8036109), (90, 7143208), (120, 5357406), (144, 4464505), (180, 3571604), (240, 2678703), (360, 1785802), (720, 892901)]