256897080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2294

約数の個数: 192

約数和(自身を含む): 942645600

約数和(自身を除く): 685748520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 580, 638, 660, 696, 792, 870, 957, 990, 1044, 1160, 1276, 1305, 1320, 1595, 1740, 1914, 1980, 2088, 2237, 2552, 2610, 2871, 3190, 3480, 3828, 3960, 4474, 4785, 5220, 5742, 6380, 6711, 7656, 8948, 9570, 10440, 11185, 11484, 12760, 13422, 14355, 17896, 19140, 20133, 22370, 22968, 24607, 26844, 28710, 33555, 38280, 40266, 44740, 49214, 53688, 57420, 64873, 67110, 73821, 80532, 89480, 98428, 100665, 114840, 123035, 129746, 134220, 147642, 161064, 194619, 196856, 201330, 221463, 246070, 259492, 268440, 295284, 324365, 369105, 389238, 402660, 442926, 492140, 518984, 583857, 590568, 648730, 713603, 738210, 778476, 805320, 885852, 973095, 984280, 1107315, 1167714, 1297460, 1427206, 1476420, 1556952, 1771704, 1946190, 2140809, 2214630, 2335428, 2594920, 2854412, 2919285, 2952840, 3568015, 3892380, 4281618, 4429260, 4670856, 5708824, 5838570, 6422427, 7136030, 7784760, 8563236, 8858520, 10704045, 11677140, 12844854, 14272060, 17126472, 21408090, 23354280, 25689708, 28544120, 32112135, 42816180, 51379416, 64224270, 85632360, 128448540, 256897080]

約数ペア:

[(1, 256897080), (2, 128448540), (3, 85632360), (4, 64224270), (5, 51379416), (6, 42816180), (8, 32112135), (9, 28544120), (10, 25689708), (11, 23354280), (12, 21408090), (15, 17126472), (18, 14272060), (20, 12844854), (22, 11677140), (24, 10704045), (29, 8858520), (30, 8563236), (33, 7784760), (36, 7136030), (40, 6422427), (44, 5838570), (45, 5708824), (55, 4670856), (58, 4429260), (60, 4281618), (66, 3892380), (72, 3568015), (87, 2952840), (88, 2919285), (90, 2854412), (99, 2594920), (110, 2335428), (116, 2214630), (120, 2140809), (132, 1946190), (145, 1771704), (165, 1556952), (174, 1476420), (180, 1427206), (198, 1297460), (220, 1167714), (232, 1107315), (261, 984280), (264, 973095), (290, 885852), (319, 805320), (330, 778476), (348, 738210), (360, 713603), (396, 648730), (435, 590568), (440, 583857), (495, 518984), (522, 492140), (580, 442926), (638, 402660), (660, 389238), (696, 369105), (792, 324365), (870, 295284), (957, 268440), (990, 259492), (1044, 246070), (1160, 221463), (1276, 201330), (1305, 196856), (1320, 194619), (1595, 161064), (1740, 147642), (1914, 134220), (1980, 129746), (2088, 123035), (2237, 114840), (2552, 100665), (2610, 98428), (2871, 89480), (3190, 80532), (3480, 73821), (3828, 67110), (3960, 64873), (4474, 57420), (4785, 53688), (5220, 49214), (5742, 44740), (6380, 40266), (6711, 38280), (7656, 33555), (8948, 28710), (9570, 26844), (10440, 24607), (11185, 22968), (11484, 22370), (12760, 20133), (13422, 19140), (14355, 17896)]