12261990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1413

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 20832666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1367, 1495, 1794, 2734, 2990, 4101, 4485, 6835, 8202, 8970, 13670, 17771, 20505, 31441, 35542, 41010, 53313, 62882, 88855, 94323, 106626, 157205, 177710, 188646, 266565, 314410, 408733, 471615, 533130, 817466, 943230, 1226199, 2043665, 2452398, 4087330, 6130995, 12261990]

約数ペア:

[(1, 12261990), (2, 6130995), (3, 4087330), (5, 2452398), (6, 2043665), (10, 1226199), (13, 943230), (15, 817466), (23, 533130), (26, 471615), (30, 408733), (39, 314410), (46, 266565), (65, 188646), (69, 177710), (78, 157205), (115, 106626), (130, 94323), (138, 88855), (195, 62882), (230, 53313), (299, 41010), (345, 35542), (390, 31441), (598, 20505), (690, 17771), (897, 13670), (1367, 8970), (1495, 8202), (1794, 6835), (2734, 4485), (2990, 4101)]