168789440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8647}}^1$

素因数の和:8725

約数の個数: 56

約数和(自身を含む): 408566112

約数和(自身を除く): 239776672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 8647, 9760, 17294, 19520, 34588, 43235, 69176, 86470, 138352, 172940, 276704, 345880, 527467, 553408, 691760, 1054934, 1383520, 2109868, 2637335, 2767040, 4219736, 5274670, 8439472, 10549340, 16878944, 21098680, 33757888, 42197360, 84394720, 168789440]

約数ペア:

[(1, 168789440), (2, 84394720), (4, 42197360), (5, 33757888), (8, 21098680), (10, 16878944), (16, 10549340), (20, 8439472), (32, 5274670), (40, 4219736), (61, 2767040), (64, 2637335), (80, 2109868), (122, 1383520), (160, 1054934), (244, 691760), (305, 553408), (320, 527467), (488, 345880), (610, 276704), (976, 172940), (1220, 138352), (1952, 86470), (2440, 69176), (3904, 43235), (4880, 34588), (8647, 19520), (9760, 17294)]