261495540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 874266624

約数和(自身を除く): 612771084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 41, 45, 54, 60, 62, 81, 82, 90, 93, 108, 123, 124, 127, 135, 155, 162, 164, 180, 186, 205, 246, 254, 270, 279, 310, 324, 369, 372, 381, 405, 410, 465, 492, 508, 540, 558, 615, 620, 635, 738, 762, 810, 820, 837, 930, 1107, 1116, 1143, 1230, 1270, 1271, 1395, 1476, 1524, 1620, 1674, 1845, 1860, 1905, 2214, 2286, 2460, 2511, 2540, 2542, 2790, 3321, 3348, 3429, 3690, 3810, 3813, 3937, 4185, 4428, 4572, 5022, 5084, 5207, 5535, 5580, 5715, 6355, 6642, 6858, 7380, 7620, 7626, 7874, 8370, 10044, 10287, 10414, 11070, 11430, 11439, 11811, 12555, 12710, 13284, 13716, 15252, 15621, 15748, 16605, 16740, 17145, 19065, 19685, 20574, 20828, 22140, 22860, 22878, 23622, 25110, 25420, 26035, 31242, 33210, 34290, 34317, 35433, 38130, 39370, 41148, 45756, 46863, 47244, 50220, 51435, 52070, 57195, 59055, 62484, 66420, 68580, 68634, 70866, 76260, 78105, 78740, 93726, 102870, 102951, 104140, 106299, 114390, 118110, 137268, 140589, 141732, 156210, 161417, 171585, 177165, 187452, 205740, 205902, 212598, 228780, 234315, 236220, 281178, 312420, 318897, 322834, 343170, 354330, 411804, 421767, 425196, 468630, 484251, 514755, 531495, 562356, 637794, 645668, 686340, 702945, 708660, 807085, 843534, 937260, 968502, 1029510, 1062990, 1275588, 1405890, 1452753, 1594485, 1614170, 1687068, 1937004, 2059020, 2108835, 2125980, 2421255, 2811780, 2905506, 3188970, 3228340, 4217670, 4358259, 4842510, 5811012, 6377940, 7263765, 8435340, 8716518, 9685020, 13074777, 14527530, 17433036, 21791295, 26149554, 29055060, 43582590, 52299108, 65373885, 87165180, 130747770, 261495540]

約数ペア:

[(1, 261495540), (2, 130747770), (3, 87165180), (4, 65373885), (5, 52299108), (6, 43582590), (9, 29055060), (10, 26149554), (12, 21791295), (15, 17433036), (18, 14527530), (20, 13074777), (27, 9685020), (30, 8716518), (31, 8435340), (36, 7263765), (41, 6377940), (45, 5811012), (54, 4842510), (60, 4358259), (62, 4217670), (81, 3228340), (82, 3188970), (90, 2905506), (93, 2811780), (108, 2421255), (123, 2125980), (124, 2108835), (127, 2059020), (135, 1937004), (155, 1687068), (162, 1614170), (164, 1594485), (180, 1452753), (186, 1405890), (205, 1275588), (246, 1062990), (254, 1029510), (270, 968502), (279, 937260), (310, 843534), (324, 807085), (369, 708660), (372, 702945), (381, 686340), (405, 645668), (410, 637794), (465, 562356), (492, 531495), (508, 514755), (540, 484251), (558, 468630), (615, 425196), (620, 421767), (635, 411804), (738, 354330), (762, 343170), (810, 322834), (820, 318897), (837, 312420), (930, 281178), (1107, 236220), (1116, 234315), (1143, 228780), (1230, 212598), (1270, 205902), (1271, 205740), (1395, 187452), (1476, 177165), (1524, 171585), (1620, 161417), (1674, 156210), (1845, 141732), (1860, 140589), (1905, 137268), (2214, 118110), (2286, 114390), (2460, 106299), (2511, 104140), (2540, 102951), (2542, 102870), (2790, 93726), (3321, 78740), (3348, 78105), (3429, 76260), (3690, 70866), (3810, 68634), (3813, 68580), (3937, 66420), (4185, 62484), (4428, 59055), (4572, 57195), (5022, 52070), (5084, 51435), (5207, 50220), (5535, 47244), (5580, 46863), (5715, 45756), (6355, 41148), (6642, 39370), (6858, 38130), (7380, 35433), (7620, 34317), (7626, 34290), (7874, 33210), (8370, 31242), (10044, 26035), (10287, 25420), (10414, 25110), (11070, 23622), (11430, 22878), (11439, 22860), (11811, 22140), (12555, 20828), (12710, 20574), (13284, 19685), (13716, 19065), (15252, 17145), (15621, 16740), (15748, 16605)]