661507056

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 240

約数和(自身を含む): 2205216000

約数和(自身を除く): 1543708944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 59, 63, 72, 84, 98, 112, 118, 126, 144, 147, 168, 177, 196, 227, 236, 252, 294, 336, 343, 354, 392, 413, 441, 454, 472, 504, 531, 588, 681, 686, 708, 784, 826, 882, 908, 944, 1008, 1029, 1062, 1176, 1239, 1362, 1372, 1416, 1589, 1652, 1764, 1816, 2043, 2058, 2124, 2352, 2478, 2724, 2744, 2832, 2891, 3087, 3178, 3304, 3528, 3632, 3717, 4086, 4116, 4248, 4767, 4956, 5448, 5488, 5782, 6174, 6356, 6608, 7056, 7434, 8172, 8232, 8496, 8673, 9534, 9912, 10896, 11123, 11564, 12348, 12712, 13393, 14301, 14868, 16344, 16464, 17346, 19068, 19824, 20237, 22246, 23128, 24696, 25424, 26019, 26786, 28602, 29736, 32688, 33369, 34692, 38136, 40179, 40474, 44492, 46256, 49392, 52038, 53572, 57204, 59472, 60711, 66738, 69384, 76272, 77861, 80358, 80948, 88984, 93751, 100107, 104076, 107144, 114408, 120537, 121422, 133476, 138768, 155722, 160716, 161896, 177968, 182133, 187502, 200214, 208152, 214288, 228816, 233583, 241074, 242844, 266952, 281253, 311444, 321432, 323792, 364266, 375004, 400428, 416304, 467166, 482148, 485688, 533904, 562506, 622888, 642864, 656257, 700749, 728532, 750008, 800856, 843759, 934332, 964296, 971376, 1125012, 1245776, 1312514, 1401498, 1457064, 1500016, 1601712, 1687518, 1868664, 1928592, 1968771, 2250024, 2625028, 2802996, 2914128, 3375036, 3737328, 3937542, 4500048, 4593799, 5250056, 5605992, 5906313, 6750072, 7875084, 9187598, 10500112, 11211984, 11812626, 13500144, 13781397, 15750168, 18375196, 23625252, 27562794, 31500336, 36750392, 41344191, 47250504, 55125588, 73500784, 82688382, 94501008, 110251176, 165376764, 220502352, 330753528, 661507056]

約数ペア:

[(1, 661507056), (2, 330753528), (3, 220502352), (4, 165376764), (6, 110251176), (7, 94501008), (8, 82688382), (9, 73500784), (12, 55125588), (14, 47250504), (16, 41344191), (18, 36750392), (21, 31500336), (24, 27562794), (28, 23625252), (36, 18375196), (42, 15750168), (48, 13781397), (49, 13500144), (56, 11812626), (59, 11211984), (63, 10500112), (72, 9187598), (84, 7875084), (98, 6750072), (112, 5906313), (118, 5605992), (126, 5250056), (144, 4593799), (147, 4500048), (168, 3937542), (177, 3737328), (196, 3375036), (227, 2914128), (236, 2802996), (252, 2625028), (294, 2250024), (336, 1968771), (343, 1928592), (354, 1868664), (392, 1687518), (413, 1601712), (441, 1500016), (454, 1457064), (472, 1401498), (504, 1312514), (531, 1245776), (588, 1125012), (681, 971376), (686, 964296), (708, 934332), (784, 843759), (826, 800856), (882, 750008), (908, 728532), (944, 700749), (1008, 656257), (1029, 642864), (1062, 622888), (1176, 562506), (1239, 533904), (1362, 485688), (1372, 482148), (1416, 467166), (1589, 416304), (1652, 400428), (1764, 375004), (1816, 364266), (2043, 323792), (2058, 321432), (2124, 311444), (2352, 281253), (2478, 266952), (2724, 242844), (2744, 241074), (2832, 233583), (2891, 228816), (3087, 214288), (3178, 208152), (3304, 200214), (3528, 187502), (3632, 182133), (3717, 177968), (4086, 161896), (4116, 160716), (4248, 155722), (4767, 138768), (4956, 133476), (5448, 121422), (5488, 120537), (5782, 114408), (6174, 107144), (6356, 104076), (6608, 100107), (7056, 93751), (7434, 88984), (8172, 80948), (8232, 80358), (8496, 77861), (8673, 76272), (9534, 69384), (9912, 66738), (10896, 60711), (11123, 59472), (11564, 57204), (12348, 53572), (12712, 52038), (13393, 49392), (14301, 46256), (14868, 44492), (16344, 40474), (16464, 40179), (17346, 38136), (19068, 34692), (19824, 33369), (20237, 32688), (22246, 29736), (23128, 28602), (24696, 26786), (25424, 26019)]