28617660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 87403680

約数和(自身を除く): 58786020

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, 919, 1038, 1557, 1730, 1838, 2076, 2595, 2757, 3114, 3460, 3676, 4595, 5190, 5514, 6228, 7785, 8271, 9190, 10380, 11028, 13785, 15570, 16542, 18380, 27570, 31140, 33084, 41355, 55140, 82710, 158987, 165420, 317974, 476961, 635948, 794935, 953922, 1430883, 1589870, 1907844, 2384805, 2861766, 3179740, 4769610, 5723532, 7154415, 9539220, 14308830, 28617660]

約数ペア:

[(1, 28617660), (2, 14308830), (3, 9539220), (4, 7154415), (5, 5723532), (6, 4769610), (9, 3179740), (10, 2861766), (12, 2384805), (15, 1907844), (18, 1589870), (20, 1430883), (30, 953922), (36, 794935), (45, 635948), (60, 476961), (90, 317974), (173, 165420), (180, 158987), (346, 82710), (519, 55140), (692, 41355), (865, 33084), (919, 31140), (1038, 27570), (1557, 18380), (1730, 16542), (1838, 15570), (2076, 13785), (2595, 11028), (2757, 10380), (3114, 9190), (3460, 8271), (3676, 7785), (4595, 6228), (5190, 5514)]