90321972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1053

約数の個数: 96

約数和(自身を含む): 246865920

約数和(自身を除く): 156543948

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 372, 403, 494, 589, 741, 806, 983, 988, 1178, 1209, 1482, 1612, 1767, 1966, 2356, 2418, 2949, 2964, 3534, 3932, 4836, 5898, 7068, 7657, 11796, 12779, 15314, 18677, 22971, 25558, 30473, 30628, 37354, 38337, 45942, 51116, 56031, 60946, 74708, 76674, 91419, 91884, 112062, 121892, 153348, 182838, 224124, 242801, 365676, 396149, 485602, 578987, 728403, 792298, 971204, 1157974, 1188447, 1456806, 1584596, 1736961, 2315948, 2376894, 2913612, 3473922, 4753788, 6947844, 7526831, 15053662, 22580493, 30107324, 45160986, 90321972]

約数ペア:

[(1, 90321972), (2, 45160986), (3, 30107324), (4, 22580493), (6, 15053662), (12, 7526831), (13, 6947844), (19, 4753788), (26, 3473922), (31, 2913612), (38, 2376894), (39, 2315948), (52, 1736961), (57, 1584596), (62, 1456806), (76, 1188447), (78, 1157974), (93, 971204), (114, 792298), (124, 728403), (156, 578987), (186, 485602), (228, 396149), (247, 365676), (372, 242801), (403, 224124), (494, 182838), (589, 153348), (741, 121892), (806, 112062), (983, 91884), (988, 91419), (1178, 76674), (1209, 74708), (1482, 60946), (1612, 56031), (1767, 51116), (1966, 45942), (2356, 38337), (2418, 37354), (2949, 30628), (2964, 30473), (3534, 25558), (3932, 22971), (4836, 18677), (5898, 15314), (7068, 12779), (7657, 11796)]