18418240640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 256

約数和(自身を含む): 47922243840

約数和(自身を除く): 29504003200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 113, 128, 136, 142, 160, 170, 211, 226, 272, 284, 320, 340, 355, 422, 452, 544, 565, 568, 640, 680, 710, 844, 904, 1055, 1088, 1130, 1136, 1207, 1360, 1420, 1688, 1808, 1921, 2110, 2176, 2260, 2272, 2414, 2720, 2840, 3376, 3587, 3616, 3842, 4220, 4520, 4544, 4828, 5440, 5680, 6035, 6752, 7174, 7232, 7684, 8023, 8440, 9040, 9088, 9605, 9656, 10880, 11360, 12070, 13504, 14348, 14464, 14981, 15368, 16046, 16880, 17935, 18080, 19210, 19312, 22720, 23843, 24140, 27008, 28696, 29962, 30736, 32092, 33760, 35870, 36160, 38420, 38624, 40115, 45440, 47686, 48280, 57392, 59924, 61472, 64184, 67520, 71740, 72320, 74905, 76840, 77248, 80230, 95372, 96560, 114784, 119215, 119848, 122944, 128368, 135040, 136391, 143480, 149810, 153680, 154496, 160460, 190744, 193120, 229568, 238430, 239696, 245888, 254677, 256736, 272782, 286960, 299620, 307360, 320920, 381488, 386240, 405331, 459136, 476860, 479392, 509354, 513472, 545564, 573920, 599240, 614720, 641840, 681955, 762976, 772480, 810662, 953720, 958784, 1018708, 1026944, 1091128, 1147840, 1198480, 1229440, 1273385, 1283680, 1363910, 1525952, 1621324, 1692853, 1907440, 1917568, 2026655, 2037416, 2182256, 2295680, 2396960, 2546770, 2567360, 2727820, 3051904, 3242648, 3385706, 3814880, 4053310, 4074832, 4364512, 4793920, 5093540, 5134720, 5455640, 6485296, 6771412, 7629760, 8106620, 8149664, 8464265, 8729024, 9587840, 10187080, 10911280, 12970592, 13542824, 15259520, 16213240, 16299328, 16928530, 17458048, 20374160, 21822560, 25941184, 27085648, 28778501, 32426480, 32598656, 33857060, 40748320, 43645120, 51882368, 54171296, 57557002, 64852960, 67714120, 81496640, 87290240, 108342592, 115114004, 129705920, 135428240, 143892505, 162993280, 216685184, 230228008, 259411840, 270856480, 287785010, 460456016, 541712960, 575570020, 920912032, 1083425920, 1151140040, 1841824064, 2302280080, 3683648128, 4604560160, 9209120320, 18418240640]

約数ペア:

[(1, 18418240640), (2, 9209120320), (4, 4604560160), (5, 3683648128), (8, 2302280080), (10, 1841824064), (16, 1151140040), (17, 1083425920), (20, 920912032), (32, 575570020), (34, 541712960), (40, 460456016), (64, 287785010), (68, 270856480), (71, 259411840), (80, 230228008), (85, 216685184), (113, 162993280), (128, 143892505), (136, 135428240), (142, 129705920), (160, 115114004), (170, 108342592), (211, 87290240), (226, 81496640), (272, 67714120), (284, 64852960), (320, 57557002), (340, 54171296), (355, 51882368), (422, 43645120), (452, 40748320), (544, 33857060), (565, 32598656), (568, 32426480), (640, 28778501), (680, 27085648), (710, 25941184), (844, 21822560), (904, 20374160), (1055, 17458048), (1088, 16928530), (1130, 16299328), (1136, 16213240), (1207, 15259520), (1360, 13542824), (1420, 12970592), (1688, 10911280), (1808, 10187080), (1921, 9587840), (2110, 8729024), (2176, 8464265), (2260, 8149664), (2272, 8106620), (2414, 7629760), (2720, 6771412), (2840, 6485296), (3376, 5455640), (3587, 5134720), (3616, 5093540), (3842, 4793920), (4220, 4364512), (4520, 4074832), (4544, 4053310), (4828, 3814880), (5440, 3385706), (5680, 3242648), (6035, 3051904), (6752, 2727820), (7174, 2567360), (7232, 2546770), (7684, 2396960), (8023, 2295680), (8440, 2182256), (9040, 2037416), (9088, 2026655), (9605, 1917568), (9656, 1907440), (10880, 1692853), (11360, 1621324), (12070, 1525952), (13504, 1363910), (14348, 1283680), (14464, 1273385), (14981, 1229440), (15368, 1198480), (16046, 1147840), (16880, 1091128), (17935, 1026944), (18080, 1018708), (19210, 958784), (19312, 953720), (22720, 810662), (23843, 772480), (24140, 762976), (27008, 681955), (28696, 641840), (29962, 614720), (30736, 599240), (32092, 573920), (33760, 545564), (35870, 513472), (36160, 509354), (38420, 479392), (38624, 476860), (40115, 459136), (45440, 405331), (47686, 386240), (48280, 381488), (57392, 320920), (59924, 307360), (61472, 299620), (64184, 286960), (67520, 272782), (71740, 256736), (72320, 254677), (74905, 245888), (76840, 239696), (77248, 238430), (80230, 229568), (95372, 193120), (96560, 190744), (114784, 160460), (119215, 154496), (119848, 153680), (122944, 149810), (128368, 143480), (135040, 136391)]