261556020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4003}}^1$

素因数の和:4043

約数の個数: 144

約数和(自身を含む): 894653760

約数和(自身を除く): 633097740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 484, 495, 540, 594, 605, 660, 726, 990, 1089, 1188, 1210, 1452, 1485, 1815, 1980, 2178, 2420, 2970, 3267, 3630, 4003, 4356, 5445, 5940, 6534, 7260, 8006, 10890, 12009, 13068, 16012, 16335, 20015, 21780, 24018, 32670, 36027, 40030, 44033, 48036, 60045, 65340, 72054, 80060, 88066, 108081, 120090, 132099, 144108, 176132, 180135, 216162, 220165, 240180, 264198, 360270, 396297, 432324, 440330, 484363, 528396, 540405, 660495, 720540, 792594, 880660, 968726, 1080810, 1188891, 1320990, 1453089, 1585188, 1937452, 1981485, 2161620, 2377782, 2421815, 2641980, 2906178, 3962970, 4359267, 4755564, 4843630, 5812356, 5944455, 7265445, 7925940, 8718534, 9687260, 11888910, 13077801, 14530890, 17437068, 21796335, 23777820, 26155602, 29061780, 43592670, 52311204, 65389005, 87185340, 130778010, 261556020]

約数ペア:

[(1, 261556020), (2, 130778010), (3, 87185340), (4, 65389005), (5, 52311204), (6, 43592670), (9, 29061780), (10, 26155602), (11, 23777820), (12, 21796335), (15, 17437068), (18, 14530890), (20, 13077801), (22, 11888910), (27, 9687260), (30, 8718534), (33, 7925940), (36, 7265445), (44, 5944455), (45, 5812356), (54, 4843630), (55, 4755564), (60, 4359267), (66, 3962970), (90, 2906178), (99, 2641980), (108, 2421815), (110, 2377782), (121, 2161620), (132, 1981485), (135, 1937452), (165, 1585188), (180, 1453089), (198, 1320990), (220, 1188891), (242, 1080810), (270, 968726), (297, 880660), (330, 792594), (363, 720540), (396, 660495), (484, 540405), (495, 528396), (540, 484363), (594, 440330), (605, 432324), (660, 396297), (726, 360270), (990, 264198), (1089, 240180), (1188, 220165), (1210, 216162), (1452, 180135), (1485, 176132), (1815, 144108), (1980, 132099), (2178, 120090), (2420, 108081), (2970, 88066), (3267, 80060), (3630, 72054), (4003, 65340), (4356, 60045), (5445, 48036), (5940, 44033), (6534, 40030), (7260, 36027), (8006, 32670), (10890, 24018), (12009, 21780), (13068, 20015), (16012, 16335)]