1718771440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{1231}}^1$

素因数の和:1838

約数の個数: 80

約数和(自身を含む): 4135735296

約数和(自身を除く): 2416963856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 563, 620, 1126, 1231, 1240, 2252, 2462, 2480, 2815, 4504, 4924, 5630, 6155, 9008, 9848, 11260, 12310, 17453, 19696, 22520, 24620, 34906, 38161, 45040, 49240, 69812, 76322, 87265, 98480, 139624, 152644, 174530, 190805, 279248, 305288, 349060, 381610, 610576, 693053, 698120, 763220, 1386106, 1396240, 1526440, 2772212, 3052880, 3465265, 5544424, 6930530, 11088848, 13861060, 21484643, 27722120, 42969286, 55444240, 85938572, 107423215, 171877144, 214846430, 343754288, 429692860, 859385720, 1718771440]

約数ペア:

[(1, 1718771440), (2, 859385720), (4, 429692860), (5, 343754288), (8, 214846430), (10, 171877144), (16, 107423215), (20, 85938572), (31, 55444240), (40, 42969286), (62, 27722120), (80, 21484643), (124, 13861060), (155, 11088848), (248, 6930530), (310, 5544424), (496, 3465265), (563, 3052880), (620, 2772212), (1126, 1526440), (1231, 1396240), (1240, 1386106), (2252, 763220), (2462, 698120), (2480, 693053), (2815, 610576), (4504, 381610), (4924, 349060), (5630, 305288), (6155, 279248), (9008, 190805), (9848, 174530), (11260, 152644), (12310, 139624), (17453, 98480), (19696, 87265), (22520, 76322), (24620, 69812), (34906, 49240), (38161, 45040)]