661876488

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:409

約数の個数: 256

約数和(自身を含む): 2288025600

約数和(自身を除く): 1626149112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 151, 156, 168, 182, 189, 216, 223, 234, 252, 273, 302, 312, 351, 364, 378, 446, 453, 468, 504, 546, 604, 669, 702, 728, 756, 819, 892, 906, 936, 1057, 1092, 1208, 1338, 1359, 1404, 1512, 1561, 1638, 1784, 1812, 1963, 2007, 2114, 2184, 2457, 2676, 2718, 2808, 2899, 3122, 3171, 3276, 3624, 3926, 4014, 4077, 4228, 4683, 4914, 5352, 5436, 5798, 5889, 6021, 6244, 6342, 6552, 7852, 8028, 8154, 8456, 8697, 9366, 9513, 9828, 10872, 11596, 11778, 12042, 12488, 12684, 13741, 14049, 15704, 16056, 16308, 17394, 17667, 18732, 19026, 19656, 20293, 23192, 23556, 24084, 25368, 26091, 27482, 28098, 28539, 32616, 33673, 34788, 35334, 37464, 38052, 40586, 41223, 42147, 47112, 48168, 52182, 53001, 54964, 56196, 57078, 60879, 67346, 69576, 70668, 76104, 78273, 81172, 82446, 84294, 101019, 104364, 106002, 109928, 112392, 114156, 121758, 123669, 134692, 141336, 156546, 162344, 164892, 168588, 182637, 202038, 208728, 212004, 228312, 235711, 243516, 247338, 269384, 303057, 313092, 329784, 337176, 365274, 371007, 404076, 424008, 437749, 471422, 487032, 494676, 547911, 606114, 626184, 707133, 730548, 742014, 808152, 875498, 909171, 942844, 989352, 1095822, 1212228, 1313247, 1414266, 1461096, 1484028, 1750996, 1818342, 1885688, 2121399, 2191644, 2424456, 2626494, 2828532, 2968056, 3064243, 3501992, 3636684, 3939741, 4242798, 4383288, 5252988, 5657064, 6128486, 6364197, 7273368, 7879482, 8485596, 9192729, 10505976, 11819223, 12256972, 12728394, 15758964, 16971192, 18385458, 23638446, 24513944, 25456788, 27578187, 31517928, 36770916, 47276892, 50913576, 55156374, 73541832, 82734561, 94553784, 110312748, 165469122, 220625496, 330938244, 661876488]

約数ペア:

[(1, 661876488), (2, 330938244), (3, 220625496), (4, 165469122), (6, 110312748), (7, 94553784), (8, 82734561), (9, 73541832), (12, 55156374), (13, 50913576), (14, 47276892), (18, 36770916), (21, 31517928), (24, 27578187), (26, 25456788), (27, 24513944), (28, 23638446), (36, 18385458), (39, 16971192), (42, 15758964), (52, 12728394), (54, 12256972), (56, 11819223), (63, 10505976), (72, 9192729), (78, 8485596), (84, 7879482), (91, 7273368), (104, 6364197), (108, 6128486), (117, 5657064), (126, 5252988), (151, 4383288), (156, 4242798), (168, 3939741), (182, 3636684), (189, 3501992), (216, 3064243), (223, 2968056), (234, 2828532), (252, 2626494), (273, 2424456), (302, 2191644), (312, 2121399), (351, 1885688), (364, 1818342), (378, 1750996), (446, 1484028), (453, 1461096), (468, 1414266), (504, 1313247), (546, 1212228), (604, 1095822), (669, 989352), (702, 942844), (728, 909171), (756, 875498), (819, 808152), (892, 742014), (906, 730548), (936, 707133), (1057, 626184), (1092, 606114), (1208, 547911), (1338, 494676), (1359, 487032), (1404, 471422), (1512, 437749), (1561, 424008), (1638, 404076), (1784, 371007), (1812, 365274), (1963, 337176), (2007, 329784), (2114, 313092), (2184, 303057), (2457, 269384), (2676, 247338), (2718, 243516), (2808, 235711), (2899, 228312), (3122, 212004), (3171, 208728), (3276, 202038), (3624, 182637), (3926, 168588), (4014, 164892), (4077, 162344), (4228, 156546), (4683, 141336), (4914, 134692), (5352, 123669), (5436, 121758), (5798, 114156), (5889, 112392), (6021, 109928), (6244, 106002), (6342, 104364), (6552, 101019), (7852, 84294), (8028, 82446), (8154, 81172), (8456, 78273), (8697, 76104), (9366, 70668), (9513, 69576), (9828, 67346), (10872, 60879), (11596, 57078), (11778, 56196), (12042, 54964), (12488, 53001), (12684, 52182), (13741, 48168), (14049, 47112), (15704, 42147), (16056, 41223), (16308, 40586), (17394, 38052), (17667, 37464), (18732, 35334), (19026, 34788), (19656, 33673), (20293, 32616), (23192, 28539), (23556, 28098), (24084, 27482), (25368, 26091)]