7540780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 18077472

約数和(自身を除く): 10536692

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 97, 115, 130, 169, 194, 230, 260, 299, 338, 388, 460, 485, 598, 676, 845, 970, 1196, 1261, 1495, 1690, 1940, 2231, 2522, 2990, 3380, 3887, 4462, 5044, 5980, 6305, 7774, 8924, 11155, 12610, 15548, 16393, 19435, 22310, 25220, 29003, 32786, 38870, 44620, 58006, 65572, 77740, 81965, 116012, 145015, 163930, 290030, 327860, 377039, 580060, 754078, 1508156, 1885195, 3770390, 7540780]

約数ペア:

[(1, 7540780), (2, 3770390), (4, 1885195), (5, 1508156), (10, 754078), (13, 580060), (20, 377039), (23, 327860), (26, 290030), (46, 163930), (52, 145015), (65, 116012), (92, 81965), (97, 77740), (115, 65572), (130, 58006), (169, 44620), (194, 38870), (230, 32786), (260, 29003), (299, 25220), (338, 22310), (388, 19435), (460, 16393), (485, 15548), (598, 12610), (676, 11155), (845, 8924), (970, 7774), (1196, 6305), (1261, 5980), (1495, 5044), (1690, 4462), (1940, 3887), (2231, 3380), (2522, 2990)]