81509640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16567}}^1$

素因数の和:16622

約数の個数: 64

約数和(自身を含む): 250508160

約数和(自身を除く): 168998520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 16567, 33134, 49701, 66268, 82835, 99402, 132536, 165670, 198804, 248505, 331340, 397608, 497010, 662680, 679247, 994020, 1358494, 1988040, 2037741, 2716988, 3396235, 4075482, 5433976, 6792470, 8150964, 10188705, 13584940, 16301928, 20377410, 27169880, 40754820, 81509640]

約数ペア:

[(1, 81509640), (2, 40754820), (3, 27169880), (4, 20377410), (5, 16301928), (6, 13584940), (8, 10188705), (10, 8150964), (12, 6792470), (15, 5433976), (20, 4075482), (24, 3396235), (30, 2716988), (40, 2037741), (41, 1988040), (60, 1358494), (82, 994020), (120, 679247), (123, 662680), (164, 497010), (205, 397608), (246, 331340), (328, 248505), (410, 198804), (492, 165670), (615, 132536), (820, 99402), (984, 82835), (1230, 66268), (1640, 49701), (2460, 33134), (4920, 16567)]