261557100

素因数分解:

$2^2\times 3^4\times 5^2\times 7^2\times {\mathrm{659}}^1$

素因数の和:699

約数の個数: 270

約数和(自身を含む): 987788340

約数和(自身を除く): 726231240

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 162, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 315, 324, 350, 378, 405, 420, 441, 450, 490, 525, 540, 567, 588, 630, 659, 675, 700, 735, 756, 810, 882, 900, 945, 980, 1050, 1134, 1225, 1260, 1318, 1323, 1350, 1470, 1575, 1620, 1764, 1890, 1977, 2025, 2100, 2205, 2268, 2450, 2636, 2646, 2700, 2835, 2940, 3150, 3295, 3675, 3780, 3954, 3969, 4050, 4410, 4613, 4725, 4900, 5292, 5670, 5931, 6300, 6590, 6615, 7350, 7908, 7938, 8100, 8820, 9226, 9450, 9885, 11025, 11340, 11862, 13180, 13230, 13839, 14175, 14700, 15876, 16475, 17793, 18452, 18900, 19770, 19845, 22050, 23065, 23724, 26460, 27678, 28350, 29655, 32291, 32950, 33075, 35586, 39540, 39690, 41517, 44100, 46130, 49425, 53379, 55356, 56700, 59310, 64582, 65900, 66150, 69195, 71172, 79380, 83034, 88965, 92260, 96873, 98850, 99225, 106758, 115325, 118620, 124551, 129164, 132300, 138390, 148275, 161455, 166068, 177930, 193746, 197700, 198450, 207585, 213516, 230650, 249102, 266895, 276780, 290619, 296550, 322910, 345975, 355860, 373653, 387492, 396900, 415170, 444825, 461300, 484365, 498204, 533790, 581238, 593100, 622755, 645820, 691950, 747306, 807275, 830340, 871857, 889650, 968730, 1037925, 1067580, 1162476, 1245510, 1334475, 1383900, 1453095, 1494612, 1614550, 1743714, 1779300, 1868265, 1937460, 2075850, 2421825, 2491020, 2615571, 2668950, 2906190, 3113775, 3229100, 3487428, 3736530, 4151700, 4359285, 4843650, 5231142, 5337900, 5812380, 6227550, 7265475, 7473060, 8718570, 9341325, 9687300, 10462284, 12455100, 13077855, 14530950, 17437140, 18682650, 21796425, 26155710, 29061900, 37365300, 43592850, 52311420, 65389275, 87185700, 130778550, 261557100]

約数ペア:

[(1, 261557100), (2, 130778550), (3, 87185700), (4, 65389275), (5, 52311420), (6, 43592850), (7, 37365300), (9, 29061900), (10, 26155710), (12, 21796425), (14, 18682650), (15, 17437140), (18, 14530950), (20, 13077855), (21, 12455100), (25, 10462284), (27, 9687300), (28, 9341325), (30, 8718570), (35, 7473060), (36, 7265475), (42, 6227550), (45, 5812380), (49, 5337900), (50, 5231142), (54, 4843650), (60, 4359285), (63, 4151700), (70, 3736530), (75, 3487428), (81, 3229100), (84, 3113775), (90, 2906190), (98, 2668950), (100, 2615571), (105, 2491020), (108, 2421825), (126, 2075850), (135, 1937460), (140, 1868265), (147, 1779300), (150, 1743714), (162, 1614550), (175, 1494612), (180, 1453095), (189, 1383900), (196, 1334475), (210, 1245510), (225, 1162476), (245, 1067580), (252, 1037925), (270, 968730), (294, 889650), (300, 871857), (315, 830340), (324, 807275), (350, 747306), (378, 691950), (405, 645820), (420, 622755), (441, 593100), (450, 581238), (490, 533790), (525, 498204), (540, 484365), (567, 461300), (588, 444825), (630, 415170), (659, 396900), (675, 387492), (700, 373653), (735, 355860), (756, 345975), (810, 322910), (882, 296550), (900, 290619), (945, 276780), (980, 266895), (1050, 249102), (1134, 230650), (1225, 213516), (1260, 207585), (1318, 198450), (1323, 197700), (1350, 193746), (1470, 177930), (1575, 166068), (1620, 161455), (1764, 148275), (1890, 138390), (1977, 132300), (2025, 129164), (2100, 124551), (2205, 118620), (2268, 115325), (2450, 106758), (2636, 99225), (2646, 98850), (2700, 96873), (2835, 92260), (2940, 88965), (3150, 83034), (3295, 79380), (3675, 71172), (3780, 69195), (3954, 66150), (3969, 65900), (4050, 64582), (4410, 59310), (4613, 56700), (4725, 55356), (4900, 53379), (5292, 49425), (5670, 46130), (5931, 44100), (6300, 41517), (6590, 39690), (6615, 39540), (7350, 35586), (7908, 33075), (7938, 32950), (8100, 32291), (8820, 29655), (9226, 28350), (9450, 27678), (9885, 26460), (11025, 23724), (11340, 23065), (11862, 22050), (13180, 19845), (13230, 19770), (13839, 18900), (14175, 18452), (14700, 17793), (15876, 16475)]