28250062020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7951}}^1\times {\mathrm{19739}}^1$

素因数の和:27705

約数の個数: 72

約数和(自身を含む): 85706974080

約数和(自身を除く): 57456912060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7951, 15902, 19739, 23853, 31804, 39478, 39755, 47706, 59217, 71559, 78956, 79510, 95412, 98695, 118434, 119265, 143118, 159020, 177651, 197390, 236868, 238530, 286236, 296085, 355302, 357795, 394780, 477060, 592170, 710604, 715590, 888255, 1184340, 1431180, 1776510, 3553020, 156944789, 313889578, 470834367, 627779156, 784723945, 941668734, 1412503101, 1569447890, 1883337468, 2354171835, 2825006202, 3138895780, 4708343670, 5650012404, 7062515505, 9416687340, 14125031010, 28250062020]

約数ペア:

[(1, 28250062020), (2, 14125031010), (3, 9416687340), (4, 7062515505), (5, 5650012404), (6, 4708343670), (9, 3138895780), (10, 2825006202), (12, 2354171835), (15, 1883337468), (18, 1569447890), (20, 1412503101), (30, 941668734), (36, 784723945), (45, 627779156), (60, 470834367), (90, 313889578), (180, 156944789), (7951, 3553020), (15902, 1776510), (19739, 1431180), (23853, 1184340), (31804, 888255), (39478, 715590), (39755, 710604), (47706, 592170), (59217, 477060), (71559, 394780), (78956, 357795), (79510, 355302), (95412, 296085), (98695, 286236), (118434, 238530), (119265, 236868), (143118, 197390), (159020, 177651)]