315081520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 844945920

約数和(自身を除く): 529864400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 208, 232, 248, 260, 290, 310, 337, 377, 403, 464, 496, 520, 580, 620, 674, 754, 806, 899, 1040, 1160, 1240, 1348, 1508, 1612, 1685, 1798, 1885, 2015, 2320, 2480, 2696, 3016, 3224, 3370, 3596, 3770, 4030, 4381, 4495, 5392, 6032, 6448, 6740, 7192, 7540, 8060, 8762, 8990, 9773, 10447, 11687, 13480, 14384, 15080, 16120, 17524, 17980, 19546, 20894, 21905, 23374, 26960, 30160, 32240, 35048, 35960, 39092, 41788, 43810, 46748, 48865, 52235, 58435, 70096, 71920, 78184, 83576, 87620, 93496, 97730, 104470, 116870, 127049, 135811, 156368, 167152, 175240, 186992, 195460, 208940, 233740, 254098, 271622, 302963, 350480, 390920, 417880, 467480, 508196, 543244, 605926, 635245, 679055, 781840, 835760, 934960, 1016392, 1086488, 1211852, 1270490, 1358110, 1514815, 2032784, 2172976, 2423704, 2540980, 2716220, 3029630, 3938519, 4847408, 5081960, 5432440, 6059260, 7877038, 10163920, 10864880, 12118520, 15754076, 19692595, 24237040, 31508152, 39385190, 63016304, 78770380, 157540760, 315081520]

約数ペア:

[(1, 315081520), (2, 157540760), (4, 78770380), (5, 63016304), (8, 39385190), (10, 31508152), (13, 24237040), (16, 19692595), (20, 15754076), (26, 12118520), (29, 10864880), (31, 10163920), (40, 7877038), (52, 6059260), (58, 5432440), (62, 5081960), (65, 4847408), (80, 3938519), (104, 3029630), (116, 2716220), (124, 2540980), (130, 2423704), (145, 2172976), (155, 2032784), (208, 1514815), (232, 1358110), (248, 1270490), (260, 1211852), (290, 1086488), (310, 1016392), (337, 934960), (377, 835760), (403, 781840), (464, 679055), (496, 635245), (520, 605926), (580, 543244), (620, 508196), (674, 467480), (754, 417880), (806, 390920), (899, 350480), (1040, 302963), (1160, 271622), (1240, 254098), (1348, 233740), (1508, 208940), (1612, 195460), (1685, 186992), (1798, 175240), (1885, 167152), (2015, 156368), (2320, 135811), (2480, 127049), (2696, 116870), (3016, 104470), (3224, 97730), (3370, 93496), (3596, 87620), (3770, 83576), (4030, 78184), (4381, 71920), (4495, 70096), (5392, 58435), (6032, 52235), (6448, 48865), (6740, 46748), (7192, 43810), (7540, 41788), (8060, 39092), (8762, 35960), (8990, 35048), (9773, 32240), (10447, 30160), (11687, 26960), (13480, 23374), (14384, 21905), (15080, 20894), (16120, 19546), (17524, 17980)]