1279824840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4129}}^1$

素因数の和:4197

約数の個数: 256

約数和(自身を含む): 4995648000

約数和(自身を除く): 3715823160

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, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3444, 3690, 3780, 4129, 4305, 4428, 4920, 5166, 5535, 5740, 6888, 7380, 7560, 7749, 8258, 8610, 8856, 10332, 11070, 11480, 12387, 12915, 14760, 15498, 16516, 17220, 20645, 20664, 22140, 24774, 25830, 28903, 30996, 33032, 34440, 37161, 38745, 41290, 44280, 49548, 51660, 57806, 61935, 61992, 74322, 77490, 82580, 86709, 99096, 103320, 111483, 115612, 123870, 144515, 148644, 154980, 165160, 169289, 173418, 185805, 222966, 231224, 247740, 260127, 289030, 297288, 309960, 338578, 346836, 371610, 433545, 445932, 495480, 507867, 520254, 557415, 578060, 677156, 693672, 743220, 780381, 846445, 867090, 891864, 1015734, 1040508, 1114830, 1156120, 1185023, 1300635, 1354312, 1486440, 1523601, 1560762, 1692890, 1734180, 2031468, 2081016, 2229660, 2370046, 2539335, 2601270, 3047202, 3121524, 3385780, 3468360, 3555069, 3901905, 4062936, 4459320, 4570803, 4740092, 5078670, 5202540, 5925115, 6094404, 6243048, 6771560, 7110138, 7618005, 7803810, 9141606, 9480184, 10157340, 10405080, 10665207, 11850230, 12188808, 14220276, 15236010, 15607620, 17775345, 18283212, 20314680, 21330414, 22854015, 23700460, 28440552, 30472020, 31215240, 31995621, 35550690, 36566424, 42660828, 45708030, 47400920, 53326035, 60944040, 63991242, 71101380, 85321656, 91416060, 106652070, 127982484, 142202760, 159978105, 182832120, 213304140, 255964968, 319956210, 426608280, 639912420, 1279824840]

約数ペア:

[(1, 1279824840), (2, 639912420), (3, 426608280), (4, 319956210), (5, 255964968), (6, 213304140), (7, 182832120), (8, 159978105), (9, 142202760), (10, 127982484), (12, 106652070), (14, 91416060), (15, 85321656), (18, 71101380), (20, 63991242), (21, 60944040), (24, 53326035), (27, 47400920), (28, 45708030), (30, 42660828), (35, 36566424), (36, 35550690), (40, 31995621), (41, 31215240), (42, 30472020), (45, 28440552), (54, 23700460), (56, 22854015), (60, 21330414), (63, 20314680), (70, 18283212), (72, 17775345), (82, 15607620), (84, 15236010), (90, 14220276), (105, 12188808), (108, 11850230), (120, 10665207), (123, 10405080), (126, 10157340), (135, 9480184), (140, 9141606), (164, 7803810), (168, 7618005), (180, 7110138), (189, 6771560), (205, 6243048), (210, 6094404), (216, 5925115), (246, 5202540), (252, 5078670), (270, 4740092), (280, 4570803), (287, 4459320), (315, 4062936), (328, 3901905), (360, 3555069), (369, 3468360), (378, 3385780), (410, 3121524), (420, 3047202), (492, 2601270), (504, 2539335), (540, 2370046), (574, 2229660), (615, 2081016), (630, 2031468), (738, 1734180), (756, 1692890), (820, 1560762), (840, 1523601), (861, 1486440), (945, 1354312), (984, 1300635), (1080, 1185023), (1107, 1156120), (1148, 1114830), (1230, 1040508), (1260, 1015734), (1435, 891864), (1476, 867090), (1512, 846445), (1640, 780381), (1722, 743220), (1845, 693672), (1890, 677156), (2214, 578060), (2296, 557415), (2460, 520254), (2520, 507867), (2583, 495480), (2870, 445932), (2952, 433545), (3444, 371610), (3690, 346836), (3780, 338578), (4129, 309960), (4305, 297288), (4428, 289030), (4920, 260127), (5166, 247740), (5535, 231224), (5740, 222966), (6888, 185805), (7380, 173418), (7560, 169289), (7749, 165160), (8258, 154980), (8610, 148644), (8856, 144515), (10332, 123870), (11070, 115612), (11480, 111483), (12387, 103320), (12915, 99096), (14760, 86709), (15498, 82580), (16516, 77490), (17220, 74322), (20645, 61992), (20664, 61935), (22140, 57806), (24774, 51660), (25830, 49548), (28903, 44280), (30996, 41290), (33032, 38745), (34440, 37161)]