15806440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 38782800

約数和(自身を除く): 22976360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 269, 452, 520, 538, 565, 904, 1076, 1130, 1345, 1469, 2152, 2260, 2690, 2938, 3497, 4520, 5380, 5876, 6994, 7345, 10760, 11752, 13988, 14690, 17485, 27976, 29380, 30397, 34970, 58760, 60794, 69940, 121588, 139880, 151985, 243176, 303970, 395161, 607940, 790322, 1215880, 1580644, 1975805, 3161288, 3951610, 7903220, 15806440]

約数ペア:

[(1, 15806440), (2, 7903220), (4, 3951610), (5, 3161288), (8, 1975805), (10, 1580644), (13, 1215880), (20, 790322), (26, 607940), (40, 395161), (52, 303970), (65, 243176), (104, 151985), (113, 139880), (130, 121588), (226, 69940), (260, 60794), (269, 58760), (452, 34970), (520, 30397), (538, 29380), (565, 27976), (904, 17485), (1076, 14690), (1130, 13988), (1345, 11752), (1469, 10760), (2152, 7345), (2260, 6994), (2690, 5876), (2938, 5380), (3497, 4520)]