1640095290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69821}}^1$

素因数の和:69869

約数の個数: 80

約数和(自身を含む): 4562169480

約数和(自身を除く): 2922074190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1305, 1566, 2349, 2610, 3915, 4698, 7830, 11745, 23490, 69821, 139642, 209463, 349105, 418926, 628389, 698210, 1047315, 1256778, 1885167, 2024809, 2094630, 3141945, 3770334, 4049618, 5655501, 6074427, 6283890, 9425835, 10124045, 11311002, 12148854, 18223281, 18851670, 20248090, 28277505, 30372135, 36446562, 54669843, 56555010, 60744270, 91116405, 109339686, 164009529, 182232810, 273349215, 328019058, 546698430, 820047645, 1640095290]

約数ペア:

[(1, 1640095290), (2, 820047645), (3, 546698430), (5, 328019058), (6, 273349215), (9, 182232810), (10, 164009529), (15, 109339686), (18, 91116405), (27, 60744270), (29, 56555010), (30, 54669843), (45, 36446562), (54, 30372135), (58, 28277505), (81, 20248090), (87, 18851670), (90, 18223281), (135, 12148854), (145, 11311002), (162, 10124045), (174, 9425835), (261, 6283890), (270, 6074427), (290, 5655501), (405, 4049618), (435, 3770334), (522, 3141945), (783, 2094630), (810, 2024809), (870, 1885167), (1305, 1256778), (1566, 1047315), (2349, 698210), (2610, 628389), (3915, 418926), (4698, 349105), (7830, 209463), (11745, 139642), (23490, 69821)]