156768490640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{579251}}^1$

素因数の和:579480

約数の個数: 80

約数和(自身を含む): 387867139200

約数和(自身を除く): 231098648560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 680, 796, 995, 1360, 1592, 1990, 3184, 3383, 3980, 6766, 7960, 13532, 15920, 16915, 27064, 33830, 54128, 67660, 135320, 270640, 579251, 1158502, 2317004, 2896255, 4634008, 5792510, 9268016, 9847267, 11585020, 19694534, 23170040, 39389068, 46340080, 49236335, 78778136, 98472670, 115270949, 157556272, 196945340, 230541898, 393890680, 461083796, 576354745, 787781360, 922167592, 1152709490, 1844335184, 1959606133, 2305418980, 3919212266, 4610837960, 7838424532, 9221675920, 9798030665, 15676849064, 19596061330, 31353698128, 39192122660, 78384245320, 156768490640]

約数ペア:

[(1, 156768490640), (2, 78384245320), (4, 39192122660), (5, 31353698128), (8, 19596061330), (10, 15676849064), (16, 9798030665), (17, 9221675920), (20, 7838424532), (34, 4610837960), (40, 3919212266), (68, 2305418980), (80, 1959606133), (85, 1844335184), (136, 1152709490), (170, 922167592), (199, 787781360), (272, 576354745), (340, 461083796), (398, 393890680), (680, 230541898), (796, 196945340), (995, 157556272), (1360, 115270949), (1592, 98472670), (1990, 78778136), (3184, 49236335), (3383, 46340080), (3980, 39389068), (6766, 23170040), (7960, 19694534), (13532, 11585020), (15920, 9847267), (16915, 9268016), (27064, 5792510), (33830, 4634008), (54128, 2896255), (67660, 2317004), (135320, 1158502), (270640, 579251)]