640530432

素因数分解:

$2^{11}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 2044224000

約数和(自身を除く): 1403693568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 59, 62, 64, 72, 76, 93, 96, 114, 118, 124, 128, 144, 152, 171, 177, 186, 192, 228, 236, 248, 256, 279, 288, 304, 342, 354, 372, 384, 456, 472, 496, 512, 531, 558, 576, 589, 608, 684, 708, 744, 768, 912, 944, 992, 1024, 1062, 1116, 1121, 1152, 1178, 1216, 1368, 1416, 1488, 1536, 1767, 1824, 1829, 1888, 1984, 2048, 2124, 2232, 2242, 2304, 2356, 2432, 2736, 2832, 2976, 3072, 3363, 3534, 3648, 3658, 3776, 3968, 4248, 4464, 4484, 4608, 4712, 4864, 5301, 5472, 5487, 5664, 5952, 6144, 6726, 7068, 7296, 7316, 7552, 7936, 8496, 8928, 8968, 9216, 9424, 9728, 10089, 10602, 10944, 10974, 11328, 11904, 13452, 14136, 14592, 14632, 15104, 15872, 16461, 16992, 17856, 17936, 18432, 18848, 19456, 20178, 21204, 21888, 21948, 22656, 23808, 26904, 28272, 29184, 29264, 30208, 31744, 32922, 33984, 34751, 35712, 35872, 37696, 38912, 40356, 42408, 43776, 43896, 45312, 47616, 53808, 56544, 58368, 58528, 60416, 63488, 65844, 67968, 69502, 71424, 71744, 75392, 80712, 84816, 87552, 87792, 90624, 95232, 104253, 107616, 113088, 116736, 117056, 120832, 131688, 135936, 139004, 142848, 143488, 150784, 161424, 169632, 175104, 175584, 181248, 190464, 208506, 215232, 226176, 234112, 263376, 271872, 278008, 285696, 286976, 301568, 312759, 322848, 339264, 350208, 351168, 362496, 417012, 430464, 452352, 468224, 526752, 543744, 556016, 571392, 573952, 603136, 625518, 645696, 678528, 702336, 834024, 860928, 904704, 936448, 1053504, 1087488, 1112032, 1147904, 1206272, 1251036, 1291392, 1357056, 1404672, 1668048, 1721856, 1809408, 1872896, 2107008, 2224064, 2295808, 2502072, 2582784, 2714112, 2809344, 3336096, 3443712, 3618816, 3745792, 4214016, 4448128, 5004144, 5165568, 5428224, 5618688, 6672192, 6887424, 8428032, 8896256, 10008288, 10331136, 10856448, 11237376, 13344384, 16856064, 17792512, 20016576, 20662272, 26688768, 33712128, 35585024, 40033152, 53377536, 71170048, 80066304, 106755072, 160132608, 213510144, 320265216, 640530432]

約数ペア:

[(1, 640530432), (2, 320265216), (3, 213510144), (4, 160132608), (6, 106755072), (8, 80066304), (9, 71170048), (12, 53377536), (16, 40033152), (18, 35585024), (19, 33712128), (24, 26688768), (31, 20662272), (32, 20016576), (36, 17792512), (38, 16856064), (48, 13344384), (57, 11237376), (59, 10856448), (62, 10331136), (64, 10008288), (72, 8896256), (76, 8428032), (93, 6887424), (96, 6672192), (114, 5618688), (118, 5428224), (124, 5165568), (128, 5004144), (144, 4448128), (152, 4214016), (171, 3745792), (177, 3618816), (186, 3443712), (192, 3336096), (228, 2809344), (236, 2714112), (248, 2582784), (256, 2502072), (279, 2295808), (288, 2224064), (304, 2107008), (342, 1872896), (354, 1809408), (372, 1721856), (384, 1668048), (456, 1404672), (472, 1357056), (496, 1291392), (512, 1251036), (531, 1206272), (558, 1147904), (576, 1112032), (589, 1087488), (608, 1053504), (684, 936448), (708, 904704), (744, 860928), (768, 834024), (912, 702336), (944, 678528), (992, 645696), (1024, 625518), (1062, 603136), (1116, 573952), (1121, 571392), (1152, 556016), (1178, 543744), (1216, 526752), (1368, 468224), (1416, 452352), (1488, 430464), (1536, 417012), (1767, 362496), (1824, 351168), (1829, 350208), (1888, 339264), (1984, 322848), (2048, 312759), (2124, 301568), (2232, 286976), (2242, 285696), (2304, 278008), (2356, 271872), (2432, 263376), (2736, 234112), (2832, 226176), (2976, 215232), (3072, 208506), (3363, 190464), (3534, 181248), (3648, 175584), (3658, 175104), (3776, 169632), (3968, 161424), (4248, 150784), (4464, 143488), (4484, 142848), (4608, 139004), (4712, 135936), (4864, 131688), (5301, 120832), (5472, 117056), (5487, 116736), (5664, 113088), (5952, 107616), (6144, 104253), (6726, 95232), (7068, 90624), (7296, 87792), (7316, 87552), (7552, 84816), (7936, 80712), (8496, 75392), (8928, 71744), (8968, 71424), (9216, 69502), (9424, 67968), (9728, 65844), (10089, 63488), (10602, 60416), (10944, 58528), (10974, 58368), (11328, 56544), (11904, 53808), (13452, 47616), (14136, 45312), (14592, 43896), (14632, 43776), (15104, 42408), (15872, 40356), (16461, 38912), (16992, 37696), (17856, 35872), (17936, 35712), (18432, 34751), (18848, 33984), (19456, 32922), (20178, 31744), (21204, 30208), (21888, 29264), (21948, 29184), (22656, 28272), (23808, 26904)]