1538680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2543720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 269, 286, 440, 520, 538, 572, 715, 1076, 1144, 1345, 1430, 2152, 2690, 2860, 2959, 3497, 5380, 5720, 5918, 6994, 10760, 11836, 13988, 14795, 17485, 23672, 27976, 29590, 34970, 38467, 59180, 69940, 76934, 118360, 139880, 153868, 192335, 307736, 384670, 769340, 1538680]

約数ペア:

[(1, 1538680), (2, 769340), (4, 384670), (5, 307736), (8, 192335), (10, 153868), (11, 139880), (13, 118360), (20, 76934), (22, 69940), (26, 59180), (40, 38467), (44, 34970), (52, 29590), (55, 27976), (65, 23672), (88, 17485), (104, 14795), (110, 13988), (130, 11836), (143, 10760), (220, 6994), (260, 5918), (269, 5720), (286, 5380), (440, 3497), (520, 2959), (538, 2860), (572, 2690), (715, 2152), (1076, 1430), (1144, 1345)]