673622560

素因数分解:

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

素因数の和:427

約数の個数: 144

約数和(自身を含む): 1776175128

約数和(自身を除く): 1102552568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 337, 403, 416, 496, 520, 620, 674, 806, 961, 992, 1040, 1240, 1348, 1612, 1685, 1922, 2015, 2080, 2480, 2696, 3224, 3370, 3844, 4030, 4381, 4805, 4960, 5392, 6448, 6740, 7688, 8060, 8762, 9610, 10447, 10784, 12493, 12896, 13480, 15376, 16120, 17524, 19220, 20894, 21905, 24986, 26960, 30752, 32240, 35048, 38440, 41788, 43810, 49972, 52235, 53920, 62465, 64480, 70096, 76880, 83576, 87620, 99944, 104470, 124930, 135811, 140192, 153760, 167152, 175240, 199888, 208940, 249860, 271622, 323857, 334304, 350480, 399776, 417880, 499720, 543244, 647714, 679055, 700960, 835760, 999440, 1086488, 1295428, 1358110, 1619285, 1671520, 1998880, 2172976, 2590856, 2716220, 3238570, 4210141, 4345952, 5181712, 5432440, 6477140, 8420282, 10363424, 10864880, 12954280, 16840564, 21050705, 21729760, 25908560, 33681128, 42101410, 51817120, 67362256, 84202820, 134724512, 168405640, 336811280, 673622560]

約数ペア:

[(1, 673622560), (2, 336811280), (4, 168405640), (5, 134724512), (8, 84202820), (10, 67362256), (13, 51817120), (16, 42101410), (20, 33681128), (26, 25908560), (31, 21729760), (32, 21050705), (40, 16840564), (52, 12954280), (62, 10864880), (65, 10363424), (80, 8420282), (104, 6477140), (124, 5432440), (130, 5181712), (155, 4345952), (160, 4210141), (208, 3238570), (248, 2716220), (260, 2590856), (310, 2172976), (337, 1998880), (403, 1671520), (416, 1619285), (496, 1358110), (520, 1295428), (620, 1086488), (674, 999440), (806, 835760), (961, 700960), (992, 679055), (1040, 647714), (1240, 543244), (1348, 499720), (1612, 417880), (1685, 399776), (1922, 350480), (2015, 334304), (2080, 323857), (2480, 271622), (2696, 249860), (3224, 208940), (3370, 199888), (3844, 175240), (4030, 167152), (4381, 153760), (4805, 140192), (4960, 135811), (5392, 124930), (6448, 104470), (6740, 99944), (7688, 87620), (8060, 83576), (8762, 76880), (9610, 70096), (10447, 64480), (10784, 62465), (12493, 53920), (12896, 52235), (13480, 49972), (15376, 43810), (16120, 41788), (17524, 38440), (19220, 35048), (20894, 32240), (21905, 30752), (24986, 26960)]