280484568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 976341600

約数和(自身を除く): 695857032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 37, 39, 42, 52, 56, 63, 72, 74, 78, 84, 89, 91, 104, 111, 117, 126, 148, 156, 168, 169, 178, 182, 222, 234, 252, 259, 267, 273, 296, 312, 333, 338, 356, 364, 444, 468, 481, 504, 507, 518, 534, 546, 623, 666, 676, 712, 728, 777, 801, 819, 888, 936, 962, 1014, 1036, 1068, 1092, 1157, 1183, 1246, 1332, 1352, 1443, 1521, 1554, 1602, 1638, 1869, 1924, 2028, 2072, 2136, 2184, 2314, 2331, 2366, 2492, 2664, 2886, 3042, 3108, 3204, 3276, 3293, 3367, 3471, 3549, 3738, 3848, 4056, 4329, 4628, 4662, 4732, 4984, 5607, 5772, 6084, 6216, 6253, 6408, 6552, 6586, 6734, 6942, 7098, 7476, 8099, 8658, 9256, 9324, 9464, 9879, 10101, 10413, 10647, 11214, 11544, 12168, 12506, 13172, 13468, 13884, 14196, 14952, 15041, 16198, 17316, 18648, 18759, 19758, 20202, 20826, 21294, 22428, 23051, 24297, 25012, 26344, 26936, 27768, 28392, 29637, 30082, 30303, 32396, 34632, 37518, 39516, 40404, 41652, 42588, 42809, 43771, 44856, 45123, 46102, 48594, 50024, 56277, 59274, 60164, 60606, 64792, 69153, 72891, 75036, 79032, 80808, 83304, 85176, 85618, 87542, 90246, 92204, 97188, 105287, 112554, 118548, 120328, 121212, 128427, 131313, 135369, 138306, 145782, 150072, 171236, 175084, 180492, 184408, 194376, 207459, 210574, 225108, 237096, 242424, 256854, 262626, 270738, 276612, 291564, 299663, 315861, 342472, 350168, 360984, 385281, 393939, 414918, 421148, 450216, 513708, 525252, 541476, 553224, 556517, 583128, 599326, 631722, 770562, 787878, 829836, 842296, 898989, 947583, 1027416, 1050504, 1082952, 1113034, 1198652, 1263444, 1541124, 1575756, 1659672, 1669551, 1797978, 1895166, 2226068, 2397304, 2526888, 2696967, 3082248, 3151512, 3339102, 3595956, 3790332, 3895619, 4452136, 5008653, 5393934, 6678204, 7191912, 7580664, 7791238, 10017306, 10787868, 11686857, 13356408, 15582476, 20034612, 21575736, 23373714, 31164952, 35060571, 40069224, 46747428, 70121142, 93494856, 140242284, 280484568]

約数ペア:

[(1, 280484568), (2, 140242284), (3, 93494856), (4, 70121142), (6, 46747428), (7, 40069224), (8, 35060571), (9, 31164952), (12, 23373714), (13, 21575736), (14, 20034612), (18, 15582476), (21, 13356408), (24, 11686857), (26, 10787868), (28, 10017306), (36, 7791238), (37, 7580664), (39, 7191912), (42, 6678204), (52, 5393934), (56, 5008653), (63, 4452136), (72, 3895619), (74, 3790332), (78, 3595956), (84, 3339102), (89, 3151512), (91, 3082248), (104, 2696967), (111, 2526888), (117, 2397304), (126, 2226068), (148, 1895166), (156, 1797978), (168, 1669551), (169, 1659672), (178, 1575756), (182, 1541124), (222, 1263444), (234, 1198652), (252, 1113034), (259, 1082952), (267, 1050504), (273, 1027416), (296, 947583), (312, 898989), (333, 842296), (338, 829836), (356, 787878), (364, 770562), (444, 631722), (468, 599326), (481, 583128), (504, 556517), (507, 553224), (518, 541476), (534, 525252), (546, 513708), (623, 450216), (666, 421148), (676, 414918), (712, 393939), (728, 385281), (777, 360984), (801, 350168), (819, 342472), (888, 315861), (936, 299663), (962, 291564), (1014, 276612), (1036, 270738), (1068, 262626), (1092, 256854), (1157, 242424), (1183, 237096), (1246, 225108), (1332, 210574), (1352, 207459), (1443, 194376), (1521, 184408), (1554, 180492), (1602, 175084), (1638, 171236), (1869, 150072), (1924, 145782), (2028, 138306), (2072, 135369), (2136, 131313), (2184, 128427), (2314, 121212), (2331, 120328), (2366, 118548), (2492, 112554), (2664, 105287), (2886, 97188), (3042, 92204), (3108, 90246), (3204, 87542), (3276, 85618), (3293, 85176), (3367, 83304), (3471, 80808), (3549, 79032), (3738, 75036), (3848, 72891), (4056, 69153), (4329, 64792), (4628, 60606), (4662, 60164), (4732, 59274), (4984, 56277), (5607, 50024), (5772, 48594), (6084, 46102), (6216, 45123), (6253, 44856), (6408, 43771), (6552, 42809), (6586, 42588), (6734, 41652), (6942, 40404), (7098, 39516), (7476, 37518), (8099, 34632), (8658, 32396), (9256, 30303), (9324, 30082), (9464, 29637), (9879, 28392), (10101, 27768), (10413, 26936), (10647, 26344), (11214, 25012), (11544, 24297), (12168, 23051), (12506, 22428), (13172, 21294), (13468, 20826), (13884, 20202), (14196, 19758), (14952, 18759), (15041, 18648), (16198, 17316)]