89901180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2887}}^1$

素因数の和:3075

約数の個数: 72

約数和(自身を含む): 274371552

約数和(自身を除く): 184470372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 2887, 3114, 3460, 5190, 5774, 6228, 7785, 8661, 10380, 11548, 14435, 15570, 17322, 25983, 28870, 31140, 34644, 43305, 51966, 57740, 86610, 103932, 129915, 173220, 259830, 499451, 519660, 998902, 1498353, 1997804, 2497255, 2996706, 4495059, 4994510, 5993412, 7491765, 8990118, 9989020, 14983530, 17980236, 22475295, 29967060, 44950590, 89901180]

約数ペア:

[(1, 89901180), (2, 44950590), (3, 29967060), (4, 22475295), (5, 17980236), (6, 14983530), (9, 9989020), (10, 8990118), (12, 7491765), (15, 5993412), (18, 4994510), (20, 4495059), (30, 2996706), (36, 2497255), (45, 1997804), (60, 1498353), (90, 998902), (173, 519660), (180, 499451), (346, 259830), (519, 173220), (692, 129915), (865, 103932), (1038, 86610), (1557, 57740), (1730, 51966), (2076, 43305), (2595, 34644), (2887, 31140), (3114, 28870), (3460, 25983), (5190, 17322), (5774, 15570), (6228, 14435), (7785, 11548), (8661, 10380)]