788940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{487}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 2480016

約数和(自身を除く): 1691076

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, 270, 324, 405, 487, 540, 810, 974, 1461, 1620, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 13149, 14610, 17532, 21915, 26298, 29220, 39447, 43830, 52596, 65745, 78894, 87660, 131490, 157788, 197235, 262980, 394470, 788940]

約数ペア:

[(1, 788940), (2, 394470), (3, 262980), (4, 197235), (5, 157788), (6, 131490), (9, 87660), (10, 78894), (12, 65745), (15, 52596), (18, 43830), (20, 39447), (27, 29220), (30, 26298), (36, 21915), (45, 17532), (54, 14610), (60, 13149), (81, 9740), (90, 8766), (108, 7305), (135, 5844), (162, 4870), (180, 4383), (270, 2922), (324, 2435), (405, 1948), (487, 1620), (540, 1461), (810, 974)]