255815280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2417}}^1$

素因数の和:2453

約数の個数: 240

約数和(自身を含む): 1025425440

約数和(自身を除く): 769610160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2417, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 4834, 5040, 5292, 5880, 6615, 7056, 7251, 7560, 8820, 9668, 10584, 11760, 12085, 13230, 14502, 15120, 16919, 17640, 19336, 21168, 21753, 24170, 26460, 29004, 33838, 35280, 36255, 38672, 43506, 48340, 50757, 52920, 58008, 65259, 67676, 72510, 84595, 87012, 96680, 101514, 105840, 108765, 116016, 118433, 130518, 135352, 145020, 152271, 169190, 174024, 193360, 203028, 217530, 236866, 253785, 261036, 270704, 290040, 304542, 326295, 338380, 348048, 355299, 406056, 435060, 456813, 473732, 507570, 522072, 580080, 592165, 609084, 652590, 676760, 710598, 761355, 812112, 870120, 913626, 947464, 1015140, 1044144, 1065897, 1184330, 1218168, 1305180, 1353520, 1421196, 1522710, 1740240, 1776495, 1827252, 1894928, 2030280, 2131794, 2284065, 2368660, 2436336, 2610360, 2842392, 3045420, 3197691, 3552990, 3654504, 4060560, 4263588, 4568130, 4737320, 5220720, 5329485, 5684784, 6090840, 6395382, 7105980, 7309008, 8527176, 9136260, 9474640, 10658970, 12181680, 12790764, 14211960, 15988455, 17054352, 18272520, 21317940, 25581528, 28423920, 31976910, 36545040, 42635880, 51163056, 63953820, 85271760, 127907640, 255815280]

約数ペア:

[(1, 255815280), (2, 127907640), (3, 85271760), (4, 63953820), (5, 51163056), (6, 42635880), (7, 36545040), (8, 31976910), (9, 28423920), (10, 25581528), (12, 21317940), (14, 18272520), (15, 17054352), (16, 15988455), (18, 14211960), (20, 12790764), (21, 12181680), (24, 10658970), (27, 9474640), (28, 9136260), (30, 8527176), (35, 7309008), (36, 7105980), (40, 6395382), (42, 6090840), (45, 5684784), (48, 5329485), (49, 5220720), (54, 4737320), (56, 4568130), (60, 4263588), (63, 4060560), (70, 3654504), (72, 3552990), (80, 3197691), (84, 3045420), (90, 2842392), (98, 2610360), (105, 2436336), (108, 2368660), (112, 2284065), (120, 2131794), (126, 2030280), (135, 1894928), (140, 1827252), (144, 1776495), (147, 1740240), (168, 1522710), (180, 1421196), (189, 1353520), (196, 1305180), (210, 1218168), (216, 1184330), (240, 1065897), (245, 1044144), (252, 1015140), (270, 947464), (280, 913626), (294, 870120), (315, 812112), (336, 761355), (360, 710598), (378, 676760), (392, 652590), (420, 609084), (432, 592165), (441, 580080), (490, 522072), (504, 507570), (540, 473732), (560, 456813), (588, 435060), (630, 406056), (720, 355299), (735, 348048), (756, 338380), (784, 326295), (840, 304542), (882, 290040), (945, 270704), (980, 261036), (1008, 253785), (1080, 236866), (1176, 217530), (1260, 203028), (1323, 193360), (1470, 174024), (1512, 169190), (1680, 152271), (1764, 145020), (1890, 135352), (1960, 130518), (2160, 118433), (2205, 116016), (2352, 108765), (2417, 105840), (2520, 101514), (2646, 96680), (2940, 87012), (3024, 84595), (3528, 72510), (3780, 67676), (3920, 65259), (4410, 58008), (4834, 52920), (5040, 50757), (5292, 48340), (5880, 43506), (6615, 38672), (7056, 36255), (7251, 35280), (7560, 33838), (8820, 29004), (9668, 26460), (10584, 24170), (11760, 21753), (12085, 21168), (13230, 19336), (14502, 17640), (15120, 16919)]