1520343880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{8017}}^1$

素因数の和:8470

約数の個数: 64

約数和(自身を含む): 3740878080

約数和(自身を除く): 2220534200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 862, 1724, 2155, 3448, 4310, 4741, 8017, 8620, 9482, 16034, 17240, 18964, 23705, 32068, 37928, 40085, 47410, 64136, 80170, 88187, 94820, 160340, 176374, 189640, 320680, 352748, 440935, 705496, 881870, 1763740, 3455327, 3527480, 6910654, 13821308, 17276635, 27642616, 34553270, 38008597, 69106540, 76017194, 138213080, 152034388, 190042985, 304068776, 380085970, 760171940, 1520343880]

約数ペア:

[(1, 1520343880), (2, 760171940), (4, 380085970), (5, 304068776), (8, 190042985), (10, 152034388), (11, 138213080), (20, 76017194), (22, 69106540), (40, 38008597), (44, 34553270), (55, 27642616), (88, 17276635), (110, 13821308), (220, 6910654), (431, 3527480), (440, 3455327), (862, 1763740), (1724, 881870), (2155, 705496), (3448, 440935), (4310, 352748), (4741, 320680), (8017, 189640), (8620, 176374), (9482, 160340), (16034, 94820), (17240, 88187), (18964, 80170), (23705, 64136), (32068, 47410), (37928, 40085)]