127913220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3571}}^1$

素因数の和:3785

約数の個数: 72

約数和(自身を含む): 390062400

約数和(自身を除く): 262149180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3571, 3582, 3980, 5970, 7142, 7164, 8955, 10713, 11940, 14284, 17855, 17910, 21426, 32139, 35710, 35820, 42852, 53565, 64278, 71420, 107130, 128556, 160695, 214260, 321390, 642780, 710629, 1421258, 2131887, 2842516, 3553145, 4263774, 6395661, 7106290, 8527548, 10659435, 12791322, 14212580, 21318870, 25582644, 31978305, 42637740, 63956610, 127913220]

約数ペア:

[(1, 127913220), (2, 63956610), (3, 42637740), (4, 31978305), (5, 25582644), (6, 21318870), (9, 14212580), (10, 12791322), (12, 10659435), (15, 8527548), (18, 7106290), (20, 6395661), (30, 4263774), (36, 3553145), (45, 2842516), (60, 2131887), (90, 1421258), (180, 710629), (199, 642780), (398, 321390), (597, 214260), (796, 160695), (995, 128556), (1194, 107130), (1791, 71420), (1990, 64278), (2388, 53565), (2985, 42852), (3571, 35820), (3582, 35710), (3980, 32139), (5970, 21426), (7142, 17910), (7164, 17855), (8955, 14284), (10713, 11940)]