681528456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 288

約数和(自身を含む): 2311208640

約数和(自身を除く): 1629680184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 37, 42, 46, 49, 56, 63, 69, 72, 74, 84, 92, 98, 111, 126, 138, 147, 148, 161, 168, 184, 196, 207, 222, 227, 252, 259, 276, 294, 296, 322, 333, 392, 414, 441, 444, 454, 483, 504, 518, 552, 588, 644, 666, 681, 777, 828, 851, 882, 888, 908, 966, 1036, 1127, 1176, 1288, 1332, 1362, 1449, 1554, 1589, 1656, 1702, 1764, 1813, 1816, 1932, 2043, 2072, 2254, 2331, 2553, 2664, 2724, 2898, 3108, 3178, 3381, 3404, 3528, 3626, 3864, 4086, 4508, 4662, 4767, 5106, 5221, 5439, 5448, 5796, 5957, 6216, 6356, 6762, 6808, 7252, 7659, 8172, 8399, 9016, 9324, 9534, 10143, 10212, 10442, 10878, 11123, 11592, 11914, 12712, 13524, 14301, 14504, 15318, 15663, 16317, 16344, 16798, 17871, 18648, 19068, 20286, 20424, 20884, 21756, 22246, 23828, 25197, 27048, 28602, 30636, 31326, 32634, 33369, 33596, 35742, 36547, 38136, 40572, 41699, 41768, 43512, 44492, 46989, 47656, 50394, 53613, 57204, 58793, 61272, 62652, 65268, 66738, 67192, 71484, 73094, 75591, 81144, 83398, 88984, 93978, 100107, 100788, 107226, 109641, 114408, 117586, 125097, 125304, 130536, 133476, 142968, 146188, 151182, 166796, 176379, 187956, 193177, 200214, 201576, 214452, 219282, 235172, 250194, 255829, 266952, 292376, 302364, 328923, 333592, 352758, 375291, 375912, 386354, 400428, 411551, 428904, 438564, 470344, 500388, 511658, 529137, 579531, 604728, 657846, 705516, 750582, 767487, 772708, 800856, 823102, 877128, 1000776, 1023316, 1058274, 1159062, 1234653, 1315692, 1352239, 1411032, 1501164, 1534974, 1545416, 1646204, 1738593, 2046632, 2116548, 2302461, 2318124, 2469306, 2631384, 2704478, 3002328, 3069948, 3292408, 3477186, 3703959, 4056717, 4233096, 4604922, 4636248, 4938612, 5408956, 6139896, 6954372, 7407918, 8113434, 9209844, 9465673, 9877224, 10817912, 12170151, 13908744, 14815836, 16226868, 18419688, 18931346, 24340302, 28397019, 29631672, 32453736, 37862692, 48680604, 56794038, 75725384, 85191057, 97361208, 113588076, 170382114, 227176152, 340764228, 681528456]

約数ペア:

[(1, 681528456), (2, 340764228), (3, 227176152), (4, 170382114), (6, 113588076), (7, 97361208), (8, 85191057), (9, 75725384), (12, 56794038), (14, 48680604), (18, 37862692), (21, 32453736), (23, 29631672), (24, 28397019), (28, 24340302), (36, 18931346), (37, 18419688), (42, 16226868), (46, 14815836), (49, 13908744), (56, 12170151), (63, 10817912), (69, 9877224), (72, 9465673), (74, 9209844), (84, 8113434), (92, 7407918), (98, 6954372), (111, 6139896), (126, 5408956), (138, 4938612), (147, 4636248), (148, 4604922), (161, 4233096), (168, 4056717), (184, 3703959), (196, 3477186), (207, 3292408), (222, 3069948), (227, 3002328), (252, 2704478), (259, 2631384), (276, 2469306), (294, 2318124), (296, 2302461), (322, 2116548), (333, 2046632), (392, 1738593), (414, 1646204), (441, 1545416), (444, 1534974), (454, 1501164), (483, 1411032), (504, 1352239), (518, 1315692), (552, 1234653), (588, 1159062), (644, 1058274), (666, 1023316), (681, 1000776), (777, 877128), (828, 823102), (851, 800856), (882, 772708), (888, 767487), (908, 750582), (966, 705516), (1036, 657846), (1127, 604728), (1176, 579531), (1288, 529137), (1332, 511658), (1362, 500388), (1449, 470344), (1554, 438564), (1589, 428904), (1656, 411551), (1702, 400428), (1764, 386354), (1813, 375912), (1816, 375291), (1932, 352758), (2043, 333592), (2072, 328923), (2254, 302364), (2331, 292376), (2553, 266952), (2664, 255829), (2724, 250194), (2898, 235172), (3108, 219282), (3178, 214452), (3381, 201576), (3404, 200214), (3528, 193177), (3626, 187956), (3864, 176379), (4086, 166796), (4508, 151182), (4662, 146188), (4767, 142968), (5106, 133476), (5221, 130536), (5439, 125304), (5448, 125097), (5796, 117586), (5957, 114408), (6216, 109641), (6356, 107226), (6762, 100788), (6808, 100107), (7252, 93978), (7659, 88984), (8172, 83398), (8399, 81144), (9016, 75591), (9324, 73094), (9534, 71484), (10143, 67192), (10212, 66738), (10442, 65268), (10878, 62652), (11123, 61272), (11592, 58793), (11914, 57204), (12712, 53613), (13524, 50394), (14301, 47656), (14504, 46989), (15318, 44492), (15663, 43512), (16317, 41768), (16344, 41699), (16798, 40572), (17871, 38136), (18648, 36547), (19068, 35742), (20286, 33596), (20424, 33369), (20884, 32634), (21756, 31326), (22246, 30636), (23828, 28602), (25197, 27048)]