1287765880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{1811}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 3003933600

約数和(自身を除く): 1716167720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 613, 1160, 1226, 1811, 2452, 3065, 3622, 4904, 6130, 7244, 9055, 12260, 14488, 17777, 18110, 24520, 35554, 36220, 52519, 71108, 72440, 88885, 105038, 142216, 177770, 210076, 262595, 355540, 420152, 525190, 711080, 1050380, 1110143, 2100760, 2220286, 4440572, 5550715, 8881144, 11101430, 22202860, 32194147, 44405720, 64388294, 128776588, 160970735, 257553176, 321941470, 643882940, 1287765880]

約数ペア:

[(1, 1287765880), (2, 643882940), (4, 321941470), (5, 257553176), (8, 160970735), (10, 128776588), (20, 64388294), (29, 44405720), (40, 32194147), (58, 22202860), (116, 11101430), (145, 8881144), (232, 5550715), (290, 4440572), (580, 2220286), (613, 2100760), (1160, 1110143), (1226, 1050380), (1811, 711080), (2452, 525190), (3065, 420152), (3622, 355540), (4904, 262595), (6130, 210076), (7244, 177770), (9055, 142216), (12260, 105038), (14488, 88885), (17777, 72440), (18110, 71108), (24520, 52519), (35554, 36220)]