221574360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 256

約数和(自身を含む): 802160640

約数和(自身を除く): 580586280

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, 67, 70, 84, 93, 105, 120, 124, 127, 134, 140, 155, 168, 186, 201, 210, 217, 248, 254, 268, 280, 310, 335, 372, 381, 402, 420, 434, 465, 469, 508, 536, 620, 635, 651, 670, 744, 762, 804, 840, 868, 889, 930, 938, 1005, 1016, 1085, 1240, 1270, 1302, 1340, 1407, 1524, 1608, 1736, 1778, 1860, 1876, 1905, 2010, 2077, 2170, 2345, 2540, 2604, 2667, 2680, 2814, 3048, 3255, 3556, 3720, 3752, 3810, 3937, 4020, 4154, 4340, 4445, 4690, 5080, 5208, 5334, 5628, 6231, 6510, 7035, 7112, 7620, 7874, 8040, 8308, 8509, 8680, 8890, 9380, 10385, 10668, 11256, 11811, 12462, 13020, 13335, 14070, 14539, 15240, 15748, 16616, 17018, 17780, 18760, 19685, 20770, 21336, 23622, 24924, 25527, 26040, 26670, 27559, 28140, 29078, 31155, 31496, 34036, 35560, 39370, 41540, 42545, 43617, 47244, 49848, 51054, 53340, 55118, 56280, 58156, 59055, 59563, 62310, 68072, 72695, 78740, 82677, 83080, 85090, 87234, 94488, 102108, 106680, 110236, 116312, 118110, 119126, 124620, 127635, 137795, 145390, 157480, 165354, 170180, 174468, 178689, 204216, 218085, 220472, 236220, 238252, 249240, 255270, 263779, 275590, 290780, 297815, 330708, 340360, 348936, 357378, 413385, 436170, 472440, 476504, 510540, 527558, 551180, 581560, 595630, 661416, 714756, 791337, 826770, 872340, 893445, 1021080, 1055116, 1102360, 1191260, 1318895, 1429512, 1582674, 1653540, 1744680, 1786890, 1846453, 2110232, 2382520, 2637790, 3165348, 3307080, 3573780, 3692906, 3956685, 5275580, 5539359, 6330696, 7147560, 7385812, 7913370, 9232265, 10551160, 11078718, 14771624, 15826740, 18464530, 22157436, 27696795, 31653480, 36929060, 44314872, 55393590, 73858120, 110787180, 221574360]

約数ペア:

[(1, 221574360), (2, 110787180), (3, 73858120), (4, 55393590), (5, 44314872), (6, 36929060), (7, 31653480), (8, 27696795), (10, 22157436), (12, 18464530), (14, 15826740), (15, 14771624), (20, 11078718), (21, 10551160), (24, 9232265), (28, 7913370), (30, 7385812), (31, 7147560), (35, 6330696), (40, 5539359), (42, 5275580), (56, 3956685), (60, 3692906), (62, 3573780), (67, 3307080), (70, 3165348), (84, 2637790), (93, 2382520), (105, 2110232), (120, 1846453), (124, 1786890), (127, 1744680), (134, 1653540), (140, 1582674), (155, 1429512), (168, 1318895), (186, 1191260), (201, 1102360), (210, 1055116), (217, 1021080), (248, 893445), (254, 872340), (268, 826770), (280, 791337), (310, 714756), (335, 661416), (372, 595630), (381, 581560), (402, 551180), (420, 527558), (434, 510540), (465, 476504), (469, 472440), (508, 436170), (536, 413385), (620, 357378), (635, 348936), (651, 340360), (670, 330708), (744, 297815), (762, 290780), (804, 275590), (840, 263779), (868, 255270), (889, 249240), (930, 238252), (938, 236220), (1005, 220472), (1016, 218085), (1085, 204216), (1240, 178689), (1270, 174468), (1302, 170180), (1340, 165354), (1407, 157480), (1524, 145390), (1608, 137795), (1736, 127635), (1778, 124620), (1860, 119126), (1876, 118110), (1905, 116312), (2010, 110236), (2077, 106680), (2170, 102108), (2345, 94488), (2540, 87234), (2604, 85090), (2667, 83080), (2680, 82677), (2814, 78740), (3048, 72695), (3255, 68072), (3556, 62310), (3720, 59563), (3752, 59055), (3810, 58156), (3937, 56280), (4020, 55118), (4154, 53340), (4340, 51054), (4445, 49848), (4690, 47244), (5080, 43617), (5208, 42545), (5334, 41540), (5628, 39370), (6231, 35560), (6510, 34036), (7035, 31496), (7112, 31155), (7620, 29078), (7874, 28140), (8040, 27559), (8308, 26670), (8509, 26040), (8680, 25527), (8890, 24924), (9380, 23622), (10385, 21336), (10668, 20770), (11256, 19685), (11811, 18760), (12462, 17780), (13020, 17018), (13335, 16616), (14070, 15748), (14539, 15240)]