30913020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 94270176

約数和(自身を除く): 63357156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 653, 789, 1052, 1306, 1315, 1578, 1959, 2367, 2612, 2630, 3156, 3265, 3918, 3945, 4734, 5260, 5877, 6530, 7836, 7890, 9468, 9795, 11754, 11835, 13060, 15780, 19590, 23508, 23670, 29385, 39180, 47340, 58770, 117540, 171739, 343478, 515217, 686956, 858695, 1030434, 1545651, 1717390, 2060868, 2576085, 3091302, 3434780, 5152170, 6182604, 7728255, 10304340, 15456510, 30913020]

約数ペア:

[(1, 30913020), (2, 15456510), (3, 10304340), (4, 7728255), (5, 6182604), (6, 5152170), (9, 3434780), (10, 3091302), (12, 2576085), (15, 2060868), (18, 1717390), (20, 1545651), (30, 1030434), (36, 858695), (45, 686956), (60, 515217), (90, 343478), (180, 171739), (263, 117540), (526, 58770), (653, 47340), (789, 39180), (1052, 29385), (1306, 23670), (1315, 23508), (1578, 19590), (1959, 15780), (2367, 13060), (2612, 11835), (2630, 11754), (3156, 9795), (3265, 9468), (3918, 7890), (3945, 7836), (4734, 6530), (5260, 5877)]