128648280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1699}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 386784000

約数和(自身を除く): 258135720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 1262, 1699, 1893, 2524, 3155, 3398, 3786, 5048, 5097, 6310, 6796, 7572, 8495, 9465, 10194, 12620, 13592, 15144, 16990, 18930, 20388, 25240, 25485, 33980, 37860, 40776, 50970, 67960, 75720, 101940, 203880, 1072069, 2144138, 3216207, 4288276, 5360345, 6432414, 8576552, 10720690, 12864828, 16081035, 21441380, 25729656, 32162070, 42882760, 64324140, 128648280]

約数ペア:

[(1, 128648280), (2, 64324140), (3, 42882760), (4, 32162070), (5, 25729656), (6, 21441380), (8, 16081035), (10, 12864828), (12, 10720690), (15, 8576552), (20, 6432414), (24, 5360345), (30, 4288276), (40, 3216207), (60, 2144138), (120, 1072069), (631, 203880), (1262, 101940), (1699, 75720), (1893, 67960), (2524, 50970), (3155, 40776), (3398, 37860), (3786, 33980), (5048, 25485), (5097, 25240), (6310, 20388), (6796, 18930), (7572, 16990), (8495, 15144), (9465, 13592), (10194, 12620)]