1815673060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 4104172800

約数和(自身を除く): 2288499740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 173, 190, 284, 346, 355, 380, 389, 692, 710, 778, 865, 1349, 1420, 1556, 1730, 1945, 2698, 3287, 3460, 3890, 5396, 6574, 6745, 7391, 7780, 12283, 13148, 13490, 14782, 16435, 24566, 26980, 27619, 29564, 32870, 36955, 49132, 55238, 61415, 65740, 67297, 73910, 110476, 122830, 134594, 138095, 147820, 233377, 245660, 269188, 276190, 336485, 466754, 524761, 552380, 672970, 933508, 1049522, 1166885, 1278643, 1345940, 2099044, 2333770, 2557286, 2623805, 4667540, 4778087, 5114572, 5247610, 6393215, 9556174, 10495220, 12786430, 19112348, 23890435, 25572860, 47780870, 90783653, 95561740, 181567306, 363134612, 453918265, 907836530, 1815673060]

約数ペア:

[(1, 1815673060), (2, 907836530), (4, 453918265), (5, 363134612), (10, 181567306), (19, 95561740), (20, 90783653), (38, 47780870), (71, 25572860), (76, 23890435), (95, 19112348), (142, 12786430), (173, 10495220), (190, 9556174), (284, 6393215), (346, 5247610), (355, 5114572), (380, 4778087), (389, 4667540), (692, 2623805), (710, 2557286), (778, 2333770), (865, 2099044), (1349, 1345940), (1420, 1278643), (1556, 1166885), (1730, 1049522), (1945, 933508), (2698, 672970), (3287, 552380), (3460, 524761), (3890, 466754), (5396, 336485), (6574, 276190), (6745, 269188), (7391, 245660), (7780, 233377), (12283, 147820), (13148, 138095), (13490, 134594), (14782, 122830), (16435, 110476), (24566, 73910), (26980, 67297), (27619, 65740), (29564, 61415), (32870, 55238), (36955, 49132)]