159804920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15791}}^1$

素因数の和:15836

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 249523720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 15791, 31582, 63164, 78955, 126328, 157910, 173701, 315820, 347402, 363193, 631640, 694804, 726386, 868505, 1389608, 1452772, 1737010, 1815965, 2905544, 3474020, 3631930, 3995123, 6948040, 7263860, 7990246, 14527720, 15980492, 19975615, 31960984, 39951230, 79902460, 159804920]

約数ペア:

[(1, 159804920), (2, 79902460), (4, 39951230), (5, 31960984), (8, 19975615), (10, 15980492), (11, 14527720), (20, 7990246), (22, 7263860), (23, 6948040), (40, 3995123), (44, 3631930), (46, 3474020), (55, 2905544), (88, 1815965), (92, 1737010), (110, 1452772), (115, 1389608), (184, 868505), (220, 726386), (230, 694804), (253, 631640), (440, 363193), (460, 347402), (506, 315820), (920, 173701), (1012, 157910), (1265, 126328), (2024, 78955), (2530, 63164), (5060, 31582), (10120, 15791)]