1280898360

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{56477}}^1$

素因数の和:56507

約数の個数: 160

約数和(自身を含む): 4920363360

約数和(自身を除く): 3639465000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 56477, 112954, 169431, 225908, 282385, 338862, 395339, 451816, 508293, 564770, 677724, 790678, 847155, 1016586, 1129540, 1186017, 1355448, 1524879, 1581356, 1694310, 1976695, 2033172, 2259080, 2372034, 2541465, 3049758, 3162712, 3388620, 3558051, 3953390, 4066344, 4574637, 4744068, 5082930, 5930085, 6099516, 6777240, 7116102, 7624395, 7906780, 9149274, 9488136, 10165860, 10674153, 11860170, 12199032, 14232204, 15248790, 15813560, 17790255, 18298548, 20331720, 21348306, 22873185, 23720340, 28464408, 30497580, 32022459, 35580510, 36597096, 42696612, 45746370, 47440680, 53370765, 60995160, 64044918, 71161020, 85393224, 91492740, 106741530, 128089836, 142322040, 160112295, 182985480, 213483060, 256179672, 320224590, 426966120, 640449180, 1280898360]

約数ペア:

[(1, 1280898360), (2, 640449180), (3, 426966120), (4, 320224590), (5, 256179672), (6, 213483060), (7, 182985480), (8, 160112295), (9, 142322040), (10, 128089836), (12, 106741530), (14, 91492740), (15, 85393224), (18, 71161020), (20, 64044918), (21, 60995160), (24, 53370765), (27, 47440680), (28, 45746370), (30, 42696612), (35, 36597096), (36, 35580510), (40, 32022459), (42, 30497580), (45, 28464408), (54, 23720340), (56, 22873185), (60, 21348306), (63, 20331720), (70, 18298548), (72, 17790255), (81, 15813560), (84, 15248790), (90, 14232204), (105, 12199032), (108, 11860170), (120, 10674153), (126, 10165860), (135, 9488136), (140, 9149274), (162, 7906780), (168, 7624395), (180, 7116102), (189, 6777240), (210, 6099516), (216, 5930085), (252, 5082930), (270, 4744068), (280, 4574637), (315, 4066344), (324, 3953390), (360, 3558051), (378, 3388620), (405, 3162712), (420, 3049758), (504, 2541465), (540, 2372034), (567, 2259080), (630, 2033172), (648, 1976695), (756, 1694310), (810, 1581356), (840, 1524879), (945, 1355448), (1080, 1186017), (1134, 1129540), (1260, 1016586), (1512, 847155), (1620, 790678), (1890, 677724), (2268, 564770), (2520, 508293), (2835, 451816), (3240, 395339), (3780, 338862), (4536, 282385), (5670, 225908), (7560, 169431), (11340, 112954), (22680, 56477)]