261731760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 847183872

約数和(自身を除く): 585452112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 127, 155, 186, 240, 248, 254, 277, 310, 372, 381, 465, 496, 508, 554, 620, 635, 744, 762, 831, 930, 1016, 1108, 1240, 1270, 1385, 1488, 1524, 1662, 1860, 1905, 2032, 2216, 2480, 2540, 2770, 3048, 3324, 3720, 3810, 3937, 4155, 4432, 5080, 5540, 6096, 6648, 7440, 7620, 7874, 8310, 8587, 10160, 11080, 11811, 13296, 15240, 15748, 16620, 17174, 19685, 22160, 23622, 25761, 30480, 31496, 33240, 34348, 35179, 39370, 42935, 47244, 51522, 59055, 62992, 66480, 68696, 70358, 78740, 85870, 94488, 103044, 105537, 118110, 128805, 137392, 140716, 157480, 171740, 175895, 188976, 206088, 211074, 236220, 257610, 281432, 314960, 343480, 351790, 412176, 422148, 472440, 515220, 527685, 562864, 686960, 703580, 844296, 944880, 1030440, 1055370, 1090549, 1407160, 1688592, 2060880, 2110740, 2181098, 2814320, 3271647, 4221480, 4362196, 5452745, 6543294, 8442960, 8724392, 10905490, 13086588, 16358235, 17448784, 21810980, 26173176, 32716470, 43621960, 52346352, 65432940, 87243920, 130865880, 261731760]

約数ペア:

[(1, 261731760), (2, 130865880), (3, 87243920), (4, 65432940), (5, 52346352), (6, 43621960), (8, 32716470), (10, 26173176), (12, 21810980), (15, 17448784), (16, 16358235), (20, 13086588), (24, 10905490), (30, 8724392), (31, 8442960), (40, 6543294), (48, 5452745), (60, 4362196), (62, 4221480), (80, 3271647), (93, 2814320), (120, 2181098), (124, 2110740), (127, 2060880), (155, 1688592), (186, 1407160), (240, 1090549), (248, 1055370), (254, 1030440), (277, 944880), (310, 844296), (372, 703580), (381, 686960), (465, 562864), (496, 527685), (508, 515220), (554, 472440), (620, 422148), (635, 412176), (744, 351790), (762, 343480), (831, 314960), (930, 281432), (1016, 257610), (1108, 236220), (1240, 211074), (1270, 206088), (1385, 188976), (1488, 175895), (1524, 171740), (1662, 157480), (1860, 140716), (1905, 137392), (2032, 128805), (2216, 118110), (2480, 105537), (2540, 103044), (2770, 94488), (3048, 85870), (3324, 78740), (3720, 70358), (3810, 68696), (3937, 66480), (4155, 62992), (4432, 59055), (5080, 51522), (5540, 47244), (6096, 42935), (6648, 39370), (7440, 35179), (7620, 34348), (7874, 33240), (8310, 31496), (8587, 30480), (10160, 25761), (11080, 23622), (11811, 22160), (13296, 19685), (15240, 17174), (15748, 16620)]