31497660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{6481}}^1$

素因数の和:6505

約数の個数: 72

約数和(自身を含む): 99096816

約数和(自身を除く): 67599156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 6481, 12962, 19443, 25924, 32405, 38886, 58329, 64810, 77772, 97215, 116658, 129620, 174987, 194430, 233316, 291645, 349974, 388860, 524961, 583290, 699948, 874935, 1049922, 1166580, 1574883, 1749870, 2099844, 2624805, 3149766, 3499740, 5249610, 6299532, 7874415, 10499220, 15748830, 31497660]

約数ペア:

[(1, 31497660), (2, 15748830), (3, 10499220), (4, 7874415), (5, 6299532), (6, 5249610), (9, 3499740), (10, 3149766), (12, 2624805), (15, 2099844), (18, 1749870), (20, 1574883), (27, 1166580), (30, 1049922), (36, 874935), (45, 699948), (54, 583290), (60, 524961), (81, 388860), (90, 349974), (108, 291645), (135, 233316), (162, 194430), (180, 174987), (243, 129620), (270, 116658), (324, 97215), (405, 77772), (486, 64810), (540, 58329), (810, 38886), (972, 32405), (1215, 25924), (1620, 19443), (2430, 12962), (4860, 6481)]