15708810280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1211

約数の個数: 128

約数和(自身を含む): 37129052160

約数和(自身を除く): 21420241880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 191, 244, 296, 305, 370, 382, 488, 610, 740, 764, 911, 955, 1220, 1480, 1528, 1822, 1910, 2257, 2440, 3644, 3820, 4514, 4555, 7067, 7288, 7640, 9028, 9110, 11285, 11651, 14134, 18056, 18220, 22570, 23302, 28268, 33707, 35335, 36440, 45140, 46604, 55571, 56536, 58255, 67414, 70670, 90280, 93208, 111142, 116510, 134828, 141340, 168535, 174001, 222284, 233020, 269656, 277855, 282680, 337070, 348002, 431087, 444568, 466040, 555710, 674140, 696004, 862174, 870005, 1111420, 1348280, 1392008, 1724348, 1740010, 2056127, 2155435, 2222840, 3448696, 3480020, 4112254, 4310870, 6438037, 6960040, 8224508, 8621740, 10280635, 10614061, 12876074, 16449016, 17243480, 20561270, 21228122, 25752148, 32190185, 41122540, 42456244, 51504296, 53070305, 64380370, 82245080, 84912488, 106140610, 128760740, 212281220, 257521480, 392720257, 424562440, 785440514, 1570881028, 1963601285, 3141762056, 3927202570, 7854405140, 15708810280]

約数ペア:

[(1, 15708810280), (2, 7854405140), (4, 3927202570), (5, 3141762056), (8, 1963601285), (10, 1570881028), (20, 785440514), (37, 424562440), (40, 392720257), (61, 257521480), (74, 212281220), (122, 128760740), (148, 106140610), (185, 84912488), (191, 82245080), (244, 64380370), (296, 53070305), (305, 51504296), (370, 42456244), (382, 41122540), (488, 32190185), (610, 25752148), (740, 21228122), (764, 20561270), (911, 17243480), (955, 16449016), (1220, 12876074), (1480, 10614061), (1528, 10280635), (1822, 8621740), (1910, 8224508), (2257, 6960040), (2440, 6438037), (3644, 4310870), (3820, 4112254), (4514, 3480020), (4555, 3448696), (7067, 2222840), (7288, 2155435), (7640, 2056127), (9028, 1740010), (9110, 1724348), (11285, 1392008), (11651, 1348280), (14134, 1111420), (18056, 870005), (18220, 862174), (22570, 696004), (23302, 674140), (28268, 555710), (33707, 466040), (35335, 444568), (36440, 431087), (45140, 348002), (46604, 337070), (55571, 282680), (56536, 277855), (58255, 269656), (67414, 233020), (70670, 222284), (90280, 174001), (93208, 168535), (111142, 141340), (116510, 134828)]