664873360

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{140863}}^1$

素因数の和:140935

約数の個数: 40

約数和(自身を含む): 1572042240

約数和(自身を除く): 907168880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 140863, 281726, 563452, 704315, 1126904, 1408630, 2253808, 2817260, 5634520, 8310917, 11269040, 16621834, 33243668, 41554585, 66487336, 83109170, 132974672, 166218340, 332436680, 664873360]

約数ペア:

[(1, 664873360), (2, 332436680), (4, 166218340), (5, 132974672), (8, 83109170), (10, 66487336), (16, 41554585), (20, 33243668), (40, 16621834), (59, 11269040), (80, 8310917), (118, 5634520), (236, 2817260), (295, 2253808), (472, 1408630), (590, 1126904), (944, 704315), (1180, 563452), (2360, 281726), (4720, 140863)]