55687860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{857}}^1$

素因数の和:910

約数の個数: 108

約数和(自身を含む): 178486308

約数和(自身を除く): 122798448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 857, 1083, 1140, 1444, 1710, 1714, 1805, 2166, 2571, 3249, 3420, 3428, 3610, 4285, 4332, 5142, 5415, 6498, 7220, 7713, 8570, 10284, 10830, 12855, 12996, 15426, 16245, 16283, 17140, 21660, 25710, 30852, 32490, 32566, 38565, 48849, 51420, 64980, 65132, 77130, 81415, 97698, 146547, 154260, 162830, 195396, 244245, 293094, 309377, 325660, 488490, 586188, 618754, 732735, 928131, 976980, 1237508, 1465470, 1546885, 1856262, 2784393, 2930940, 3093770, 3712524, 4640655, 5568786, 6187540, 9281310, 11137572, 13921965, 18562620, 27843930, 55687860]

約数ペア:

[(1, 55687860), (2, 27843930), (3, 18562620), (4, 13921965), (5, 11137572), (6, 9281310), (9, 6187540), (10, 5568786), (12, 4640655), (15, 3712524), (18, 3093770), (19, 2930940), (20, 2784393), (30, 1856262), (36, 1546885), (38, 1465470), (45, 1237508), (57, 976980), (60, 928131), (76, 732735), (90, 618754), (95, 586188), (114, 488490), (171, 325660), (180, 309377), (190, 293094), (228, 244245), (285, 195396), (342, 162830), (361, 154260), (380, 146547), (570, 97698), (684, 81415), (722, 77130), (855, 65132), (857, 64980), (1083, 51420), (1140, 48849), (1444, 38565), (1710, 32566), (1714, 32490), (1805, 30852), (2166, 25710), (2571, 21660), (3249, 17140), (3420, 16283), (3428, 16245), (3610, 15426), (4285, 12996), (4332, 12855), (5142, 10830), (5415, 10284), (6498, 8570), (7220, 7713)]