180520812

素因数分解:

$2^2\times 3^6\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 84

約数和(自身を含む): 489174336

約数和(自身を除く): 308653524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 729, 837, 972, 1116, 1458, 1674, 1997, 2511, 2916, 3348, 3994, 5022, 5991, 7533, 7988, 10044, 11982, 15066, 17973, 22599, 23964, 30132, 35946, 45198, 53919, 61907, 71892, 90396, 107838, 123814, 161757, 185721, 215676, 247628, 323514, 371442, 485271, 557163, 647028, 742884, 970542, 1114326, 1455813, 1671489, 1941084, 2228652, 2911626, 3342978, 5014467, 5823252, 6685956, 10028934, 15043401, 20057868, 30086802, 45130203, 60173604, 90260406, 180520812]

約数ペア:

[(1, 180520812), (2, 90260406), (3, 60173604), (4, 45130203), (6, 30086802), (9, 20057868), (12, 15043401), (18, 10028934), (27, 6685956), (31, 5823252), (36, 5014467), (54, 3342978), (62, 2911626), (81, 2228652), (93, 1941084), (108, 1671489), (124, 1455813), (162, 1114326), (186, 970542), (243, 742884), (279, 647028), (324, 557163), (372, 485271), (486, 371442), (558, 323514), (729, 247628), (837, 215676), (972, 185721), (1116, 161757), (1458, 123814), (1674, 107838), (1997, 90396), (2511, 71892), (2916, 61907), (3348, 53919), (3994, 45198), (5022, 35946), (5991, 30132), (7533, 23964), (7988, 22599), (10044, 17973), (11982, 15066)]