256897800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^2$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 899024490

約数和(自身を除く): 642126690

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 41, 45, 50, 59, 60, 72, 75, 82, 90, 100, 118, 120, 123, 150, 164, 177, 180, 200, 205, 225, 236, 246, 295, 300, 328, 354, 360, 369, 410, 450, 472, 492, 531, 590, 600, 615, 708, 738, 820, 885, 900, 984, 1025, 1062, 1180, 1230, 1416, 1475, 1476, 1640, 1770, 1800, 1845, 2050, 2124, 2360, 2419, 2460, 2655, 2950, 2952, 3075, 3481, 3540, 3690, 4100, 4248, 4425, 4838, 4920, 5310, 5900, 6150, 6962, 7080, 7257, 7380, 8200, 8850, 9225, 9676, 10443, 10620, 11800, 12095, 12300, 13275, 13924, 14514, 14760, 17405, 17700, 18450, 19352, 20886, 21240, 21771, 24190, 24600, 26550, 27848, 29028, 31329, 34810, 35400, 36285, 36900, 41772, 43542, 48380, 52215, 53100, 58056, 60475, 62658, 69620, 72570, 73800, 83544, 87025, 87084, 96760, 104430, 106200, 108855, 120950, 125316, 139240, 142721, 145140, 156645, 174050, 174168, 181425, 208860, 217710, 241900, 250632, 261075, 285442, 290280, 313290, 348100, 362850, 417720, 428163, 435420, 483800, 522150, 544275, 570884, 626580, 696200, 713605, 725700, 783225, 856326, 870840, 1044300, 1088550, 1141768, 1253160, 1284489, 1427210, 1451400, 1566450, 1712652, 2088600, 2140815, 2177100, 2568978, 2854420, 3132900, 3425304, 3568025, 4281630, 4354200, 5137956, 5708840, 6265800, 6422445, 7136050, 8563260, 10275912, 10704075, 12844890, 14272100, 17126520, 21408150, 25689780, 28544200, 32112225, 42816300, 51379560, 64224450, 85632600, 128448900, 256897800]

約数ペア:

[(1, 256897800), (2, 128448900), (3, 85632600), (4, 64224450), (5, 51379560), (6, 42816300), (8, 32112225), (9, 28544200), (10, 25689780), (12, 21408150), (15, 17126520), (18, 14272100), (20, 12844890), (24, 10704075), (25, 10275912), (30, 8563260), (36, 7136050), (40, 6422445), (41, 6265800), (45, 5708840), (50, 5137956), (59, 4354200), (60, 4281630), (72, 3568025), (75, 3425304), (82, 3132900), (90, 2854420), (100, 2568978), (118, 2177100), (120, 2140815), (123, 2088600), (150, 1712652), (164, 1566450), (177, 1451400), (180, 1427210), (200, 1284489), (205, 1253160), (225, 1141768), (236, 1088550), (246, 1044300), (295, 870840), (300, 856326), (328, 783225), (354, 725700), (360, 713605), (369, 696200), (410, 626580), (450, 570884), (472, 544275), (492, 522150), (531, 483800), (590, 435420), (600, 428163), (615, 417720), (708, 362850), (738, 348100), (820, 313290), (885, 290280), (900, 285442), (984, 261075), (1025, 250632), (1062, 241900), (1180, 217710), (1230, 208860), (1416, 181425), (1475, 174168), (1476, 174050), (1640, 156645), (1770, 145140), (1800, 142721), (1845, 139240), (2050, 125316), (2124, 120950), (2360, 108855), (2419, 106200), (2460, 104430), (2655, 96760), (2950, 87084), (2952, 87025), (3075, 83544), (3481, 73800), (3540, 72570), (3690, 69620), (4100, 62658), (4248, 60475), (4425, 58056), (4838, 53100), (4920, 52215), (5310, 48380), (5900, 43542), (6150, 41772), (6962, 36900), (7080, 36285), (7257, 35400), (7380, 34810), (8200, 31329), (8850, 29028), (9225, 27848), (9676, 26550), (10443, 24600), (10620, 24190), (11800, 21771), (12095, 21240), (12300, 20886), (13275, 19352), (13924, 18450), (14514, 17700), (14760, 17405)]