253291080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 256

約数和(自身を含む): 915701760

約数和(自身を除く): 662410680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 71, 84, 93, 105, 120, 124, 137, 140, 142, 155, 168, 186, 210, 213, 217, 248, 274, 280, 284, 310, 355, 372, 411, 420, 426, 434, 465, 497, 548, 568, 620, 651, 685, 710, 744, 822, 840, 852, 868, 930, 959, 994, 1065, 1085, 1096, 1240, 1302, 1370, 1420, 1491, 1644, 1704, 1736, 1860, 1918, 1988, 2055, 2130, 2170, 2201, 2485, 2604, 2740, 2840, 2877, 2982, 3255, 3288, 3720, 3836, 3976, 4110, 4247, 4260, 4340, 4402, 4795, 4970, 5208, 5480, 5754, 5964, 6510, 6603, 7455, 7672, 8220, 8494, 8520, 8680, 8804, 9590, 9727, 9940, 11005, 11508, 11928, 12741, 13020, 13206, 14385, 14910, 15407, 16440, 16988, 17608, 19180, 19454, 19880, 21235, 22010, 23016, 25482, 26040, 26412, 28770, 29181, 29729, 29820, 30814, 33015, 33976, 38360, 38908, 42470, 44020, 46221, 48635, 50964, 52824, 57540, 58362, 59458, 59640, 61628, 63705, 66030, 68089, 77035, 77816, 84940, 88040, 89187, 92442, 97270, 101928, 115080, 116724, 118916, 123256, 127410, 132060, 136178, 145905, 148645, 154070, 169880, 178374, 184884, 194540, 204267, 231105, 233448, 237832, 254820, 264120, 272356, 291810, 297290, 301537, 308140, 340445, 356748, 369768, 389080, 408534, 445935, 462210, 509640, 544712, 583620, 594580, 603074, 616280, 680890, 713496, 817068, 891870, 904611, 924420, 1021335, 1167240, 1189160, 1206148, 1361780, 1507685, 1634136, 1783740, 1809222, 1848840, 2042670, 2110759, 2412296, 2723560, 3015370, 3567480, 3618444, 4085340, 4221518, 4523055, 6030740, 6332277, 7236888, 8170680, 8443036, 9046110, 10553795, 12061480, 12664554, 16886072, 18092220, 21107590, 25329108, 31661385, 36184440, 42215180, 50658216, 63322770, 84430360, 126645540, 253291080]

約数ペア:

[(1, 253291080), (2, 126645540), (3, 84430360), (4, 63322770), (5, 50658216), (6, 42215180), (7, 36184440), (8, 31661385), (10, 25329108), (12, 21107590), (14, 18092220), (15, 16886072), (20, 12664554), (21, 12061480), (24, 10553795), (28, 9046110), (30, 8443036), (31, 8170680), (35, 7236888), (40, 6332277), (42, 6030740), (56, 4523055), (60, 4221518), (62, 4085340), (70, 3618444), (71, 3567480), (84, 3015370), (93, 2723560), (105, 2412296), (120, 2110759), (124, 2042670), (137, 1848840), (140, 1809222), (142, 1783740), (155, 1634136), (168, 1507685), (186, 1361780), (210, 1206148), (213, 1189160), (217, 1167240), (248, 1021335), (274, 924420), (280, 904611), (284, 891870), (310, 817068), (355, 713496), (372, 680890), (411, 616280), (420, 603074), (426, 594580), (434, 583620), (465, 544712), (497, 509640), (548, 462210), (568, 445935), (620, 408534), (651, 389080), (685, 369768), (710, 356748), (744, 340445), (822, 308140), (840, 301537), (852, 297290), (868, 291810), (930, 272356), (959, 264120), (994, 254820), (1065, 237832), (1085, 233448), (1096, 231105), (1240, 204267), (1302, 194540), (1370, 184884), (1420, 178374), (1491, 169880), (1644, 154070), (1704, 148645), (1736, 145905), (1860, 136178), (1918, 132060), (1988, 127410), (2055, 123256), (2130, 118916), (2170, 116724), (2201, 115080), (2485, 101928), (2604, 97270), (2740, 92442), (2840, 89187), (2877, 88040), (2982, 84940), (3255, 77816), (3288, 77035), (3720, 68089), (3836, 66030), (3976, 63705), (4110, 61628), (4247, 59640), (4260, 59458), (4340, 58362), (4402, 57540), (4795, 52824), (4970, 50964), (5208, 48635), (5480, 46221), (5754, 44020), (5964, 42470), (6510, 38908), (6603, 38360), (7455, 33976), (7672, 33015), (8220, 30814), (8494, 29820), (8520, 29729), (8680, 29181), (8804, 28770), (9590, 26412), (9727, 26040), (9940, 25482), (11005, 23016), (11508, 22010), (11928, 21235), (12741, 19880), (13020, 19454), (13206, 19180), (14385, 17608), (14910, 16988), (15407, 16440)]