1276581390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{3041}}^1$

素因数の和:5057

約数の個数: 64

約数和(自身を含む): 3504384000

約数和(自身を除く): 2227802610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1999, 3041, 3998, 5997, 6082, 9123, 9995, 11994, 13993, 15205, 18246, 19990, 21287, 27986, 29985, 30410, 41979, 42574, 45615, 59970, 63861, 69965, 83958, 91230, 106435, 127722, 139930, 209895, 212870, 319305, 419790, 638610, 6078959, 12157918, 18236877, 30394795, 36473754, 42552713, 60789590, 85105426, 91184385, 127658139, 182368770, 212763565, 255316278, 425527130, 638290695, 1276581390]

約数ペア:

[(1, 1276581390), (2, 638290695), (3, 425527130), (5, 255316278), (6, 212763565), (7, 182368770), (10, 127658139), (14, 91184385), (15, 85105426), (21, 60789590), (30, 42552713), (35, 36473754), (42, 30394795), (70, 18236877), (105, 12157918), (210, 6078959), (1999, 638610), (3041, 419790), (3998, 319305), (5997, 212870), (6082, 209895), (9123, 139930), (9995, 127722), (11994, 106435), (13993, 91230), (15205, 83958), (18246, 69965), (19990, 63861), (21287, 59970), (27986, 45615), (29985, 42574), (30410, 41979)]