66721920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 235008000

約数和(自身を除く): 168286080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 59, 60, 62, 64, 76, 80, 93, 95, 96, 114, 118, 120, 124, 128, 152, 155, 160, 177, 186, 190, 192, 228, 236, 240, 248, 285, 295, 304, 310, 320, 354, 372, 380, 384, 456, 465, 472, 480, 496, 570, 589, 590, 608, 620, 640, 708, 744, 760, 885, 912, 930, 944, 960, 992, 1121, 1140, 1178, 1180, 1216, 1240, 1416, 1488, 1520, 1767, 1770, 1824, 1829, 1860, 1888, 1920, 1984, 2242, 2280, 2356, 2360, 2432, 2480, 2832, 2945, 2976, 3040, 3363, 3534, 3540, 3648, 3658, 3720, 3776, 3968, 4484, 4560, 4712, 4720, 4960, 5487, 5605, 5664, 5890, 5952, 6080, 6726, 7068, 7080, 7296, 7316, 7440, 7552, 8835, 8968, 9120, 9145, 9424, 9440, 9920, 10974, 11210, 11328, 11780, 11904, 12160, 13452, 14136, 14160, 14632, 14880, 16815, 17670, 17936, 18240, 18290, 18848, 18880, 19840, 21948, 22420, 22656, 23560, 26904, 27435, 28272, 28320, 29264, 29760, 33630, 34751, 35340, 35872, 36480, 36580, 37696, 37760, 43896, 44840, 47120, 53808, 54870, 56544, 56640, 58528, 59520, 67260, 69502, 70680, 71744, 73160, 75392, 87792, 89680, 94240, 104253, 107616, 109740, 113088, 113280, 117056, 134520, 139004, 141360, 143488, 146320, 173755, 175584, 179360, 188480, 208506, 215232, 219480, 226176, 234112, 269040, 278008, 282720, 292640, 347510, 351168, 358720, 376960, 417012, 430464, 438960, 521265, 538080, 556016, 565440, 585280, 695020, 702336, 717440, 834024, 877920, 1042530, 1076160, 1112032, 1130880, 1170560, 1390040, 1668048, 1755840, 2085060, 2152320, 2224064, 2780080, 3336096, 3511680, 4170120, 4448128, 5560160, 6672192, 8340240, 11120320, 13344384, 16680480, 22240640, 33360960, 66721920]

約数ペア:

[(1, 66721920), (2, 33360960), (3, 22240640), (4, 16680480), (5, 13344384), (6, 11120320), (8, 8340240), (10, 6672192), (12, 5560160), (15, 4448128), (16, 4170120), (19, 3511680), (20, 3336096), (24, 2780080), (30, 2224064), (31, 2152320), (32, 2085060), (38, 1755840), (40, 1668048), (48, 1390040), (57, 1170560), (59, 1130880), (60, 1112032), (62, 1076160), (64, 1042530), (76, 877920), (80, 834024), (93, 717440), (95, 702336), (96, 695020), (114, 585280), (118, 565440), (120, 556016), (124, 538080), (128, 521265), (152, 438960), (155, 430464), (160, 417012), (177, 376960), (186, 358720), (190, 351168), (192, 347510), (228, 292640), (236, 282720), (240, 278008), (248, 269040), (285, 234112), (295, 226176), (304, 219480), (310, 215232), (320, 208506), (354, 188480), (372, 179360), (380, 175584), (384, 173755), (456, 146320), (465, 143488), (472, 141360), (480, 139004), (496, 134520), (570, 117056), (589, 113280), (590, 113088), (608, 109740), (620, 107616), (640, 104253), (708, 94240), (744, 89680), (760, 87792), (885, 75392), (912, 73160), (930, 71744), (944, 70680), (960, 69502), (992, 67260), (1121, 59520), (1140, 58528), (1178, 56640), (1180, 56544), (1216, 54870), (1240, 53808), (1416, 47120), (1488, 44840), (1520, 43896), (1767, 37760), (1770, 37696), (1824, 36580), (1829, 36480), (1860, 35872), (1888, 35340), (1920, 34751), (1984, 33630), (2242, 29760), (2280, 29264), (2356, 28320), (2360, 28272), (2432, 27435), (2480, 26904), (2832, 23560), (2945, 22656), (2976, 22420), (3040, 21948), (3363, 19840), (3534, 18880), (3540, 18848), (3648, 18290), (3658, 18240), (3720, 17936), (3776, 17670), (3968, 16815), (4484, 14880), (4560, 14632), (4712, 14160), (4720, 14136), (4960, 13452), (5487, 12160), (5605, 11904), (5664, 11780), (5890, 11328), (5952, 11210), (6080, 10974), (6726, 9920), (7068, 9440), (7080, 9424), (7296, 9145), (7316, 9120), (7440, 8968), (7552, 8835)]