838717740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{73961}}^1$

素因数の和:73989

約数の個数: 120

約数和(自身を含む): 3006999072

約数和(自身を除く): 2168281332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 73961, 147922, 221883, 295844, 369805, 443766, 517727, 665649, 739610, 887532, 1035454, 1109415, 1331298, 1479220, 1553181, 1996947, 2070908, 2218830, 2588635, 2662596, 3106362, 3328245, 3993894, 4437660, 4659543, 5177270, 5990841, 6212724, 6656490, 7765905, 7987788, 9319086, 9984735, 10354540, 11981682, 13312980, 13978629, 15531810, 18638172, 19969470, 23297715, 23963364, 27957258, 29954205, 31063620, 39938940, 41935887, 46595430, 55914516, 59908410, 69893145, 83871774, 93190860, 119816820, 139786290, 167743548, 209679435, 279572580, 419358870, 838717740]

約数ペア:

[(1, 838717740), (2, 419358870), (3, 279572580), (4, 209679435), (5, 167743548), (6, 139786290), (7, 119816820), (9, 93190860), (10, 83871774), (12, 69893145), (14, 59908410), (15, 55914516), (18, 46595430), (20, 41935887), (21, 39938940), (27, 31063620), (28, 29954205), (30, 27957258), (35, 23963364), (36, 23297715), (42, 19969470), (45, 18638172), (54, 15531810), (60, 13978629), (63, 13312980), (70, 11981682), (81, 10354540), (84, 9984735), (90, 9319086), (105, 7987788), (108, 7765905), (126, 6656490), (135, 6212724), (140, 5990841), (162, 5177270), (180, 4659543), (189, 4437660), (210, 3993894), (252, 3328245), (270, 3106362), (315, 2662596), (324, 2588635), (378, 2218830), (405, 2070908), (420, 1996947), (540, 1553181), (567, 1479220), (630, 1331298), (756, 1109415), (810, 1035454), (945, 887532), (1134, 739610), (1260, 665649), (1620, 517727), (1890, 443766), (2268, 369805), (2835, 295844), (3780, 221883), (5670, 147922), (11340, 73961)]