256420080

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{5653}}^1$

素因数の和:5685

約数の個数: 200

約数和(自身を含む): 1017991392

約数和(自身を除く): 761571312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5653, 5670, 6480, 7560, 9072, 11306, 11340, 15120, 16959, 22612, 22680, 28265, 33918, 39571, 45224, 45360, 50877, 56530, 67836, 79142, 84795, 90448, 101754, 113060, 118713, 135672, 152631, 158284, 169590, 197855, 203508, 226120, 237426, 254385, 271344, 305262, 316568, 339180, 356139, 395710, 407016, 452240, 457893, 474852, 508770, 593565, 610524, 633136, 678360, 712278, 763155, 791420, 814032, 915786, 949704, 1017540, 1068417, 1187130, 1221048, 1356720, 1424556, 1526310, 1582840, 1780695, 1831572, 1899408, 2035080, 2136834, 2289465, 2374260, 2442096, 2849112, 3052620, 3165680, 3205251, 3561390, 3663144, 4070160, 4273668, 4578930, 4748520, 5342085, 5698224, 6105240, 6410502, 7122780, 7326288, 8547336, 9157860, 9497040, 10684170, 12210480, 12821004, 14245560, 16026255, 17094672, 18315720, 21368340, 25642008, 28491120, 32052510, 36631440, 42736680, 51284016, 64105020, 85473360, 128210040, 256420080]

約数ペア:

[(1, 256420080), (2, 128210040), (3, 85473360), (4, 64105020), (5, 51284016), (6, 42736680), (7, 36631440), (8, 32052510), (9, 28491120), (10, 25642008), (12, 21368340), (14, 18315720), (15, 17094672), (16, 16026255), (18, 14245560), (20, 12821004), (21, 12210480), (24, 10684170), (27, 9497040), (28, 9157860), (30, 8547336), (35, 7326288), (36, 7122780), (40, 6410502), (42, 6105240), (45, 5698224), (48, 5342085), (54, 4748520), (56, 4578930), (60, 4273668), (63, 4070160), (70, 3663144), (72, 3561390), (80, 3205251), (81, 3165680), (84, 3052620), (90, 2849112), (105, 2442096), (108, 2374260), (112, 2289465), (120, 2136834), (126, 2035080), (135, 1899408), (140, 1831572), (144, 1780695), (162, 1582840), (168, 1526310), (180, 1424556), (189, 1356720), (210, 1221048), (216, 1187130), (240, 1068417), (252, 1017540), (270, 949704), (280, 915786), (315, 814032), (324, 791420), (336, 763155), (360, 712278), (378, 678360), (405, 633136), (420, 610524), (432, 593565), (504, 508770), (540, 474852), (560, 457893), (567, 452240), (630, 407016), (648, 395710), (720, 356139), (756, 339180), (810, 316568), (840, 305262), (945, 271344), (1008, 254385), (1080, 237426), (1134, 226120), (1260, 203508), (1296, 197855), (1512, 169590), (1620, 158284), (1680, 152631), (1890, 135672), (2160, 118713), (2268, 113060), (2520, 101754), (2835, 90448), (3024, 84795), (3240, 79142), (3780, 67836), (4536, 56530), (5040, 50877), (5653, 45360), (5670, 45224), (6480, 39571), (7560, 33918), (9072, 28265), (11306, 22680), (11340, 22612), (15120, 16959)]