261452760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1161

約数の個数: 128

約数和(自身を含む): 822528000

約数和(自身を除く): 561075240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 93, 120, 124, 134, 155, 186, 201, 248, 268, 310, 335, 372, 402, 465, 536, 620, 670, 744, 804, 930, 1005, 1049, 1240, 1340, 1608, 1860, 2010, 2077, 2098, 2680, 3147, 3720, 4020, 4154, 4196, 5245, 6231, 6294, 8040, 8308, 8392, 10385, 10490, 12462, 12588, 15735, 16616, 20770, 20980, 24924, 25176, 31155, 31470, 32519, 41540, 41960, 49848, 62310, 62940, 65038, 70283, 83080, 97557, 124620, 125880, 130076, 140566, 162595, 195114, 210849, 249240, 260152, 281132, 325190, 351415, 390228, 421698, 487785, 562264, 650380, 702830, 780456, 843396, 975570, 1054245, 1300760, 1405660, 1686792, 1951140, 2108490, 2178773, 2811320, 3902280, 4216980, 4357546, 6536319, 8433960, 8715092, 10893865, 13072638, 17430184, 21787730, 26145276, 32681595, 43575460, 52290552, 65363190, 87150920, 130726380, 261452760]

約数ペア:

[(1, 261452760), (2, 130726380), (3, 87150920), (4, 65363190), (5, 52290552), (6, 43575460), (8, 32681595), (10, 26145276), (12, 21787730), (15, 17430184), (20, 13072638), (24, 10893865), (30, 8715092), (31, 8433960), (40, 6536319), (60, 4357546), (62, 4216980), (67, 3902280), (93, 2811320), (120, 2178773), (124, 2108490), (134, 1951140), (155, 1686792), (186, 1405660), (201, 1300760), (248, 1054245), (268, 975570), (310, 843396), (335, 780456), (372, 702830), (402, 650380), (465, 562264), (536, 487785), (620, 421698), (670, 390228), (744, 351415), (804, 325190), (930, 281132), (1005, 260152), (1049, 249240), (1240, 210849), (1340, 195114), (1608, 162595), (1860, 140566), (2010, 130076), (2077, 125880), (2098, 124620), (2680, 97557), (3147, 83080), (3720, 70283), (4020, 65038), (4154, 62940), (4196, 62310), (5245, 49848), (6231, 41960), (6294, 41540), (8040, 32519), (8308, 31470), (8392, 31155), (10385, 25176), (10490, 24924), (12462, 20980), (12588, 20770), (15735, 16616)]