64291920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 320

約数和(自身を含む): 257126400

約数和(自身を除く): 192834480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 142, 147, 154, 165, 168, 176, 196, 210, 213, 220, 231, 240, 245, 264, 280, 284, 294, 308, 330, 336, 343, 355, 385, 392, 420, 426, 440, 462, 490, 497, 528, 539, 560, 568, 588, 616, 660, 686, 710, 735, 770, 781, 784, 840, 852, 880, 924, 980, 994, 1029, 1065, 1078, 1136, 1155, 1176, 1232, 1320, 1372, 1420, 1470, 1491, 1540, 1562, 1617, 1680, 1704, 1715, 1848, 1960, 1988, 2058, 2130, 2156, 2310, 2343, 2352, 2485, 2640, 2695, 2744, 2840, 2940, 2982, 3080, 3124, 3234, 3408, 3430, 3479, 3696, 3773, 3905, 3920, 3976, 4116, 4260, 4312, 4620, 4686, 4970, 5145, 5390, 5467, 5488, 5680, 5880, 5964, 6160, 6248, 6468, 6860, 6958, 7455, 7546, 7810, 7952, 8085, 8232, 8520, 8624, 9240, 9372, 9940, 10290, 10437, 10780, 10934, 11319, 11715, 11760, 11928, 12496, 12936, 13720, 13916, 14910, 15092, 15620, 16170, 16401, 16464, 17040, 17395, 18480, 18744, 18865, 19880, 20580, 20874, 21560, 21868, 22638, 23430, 23856, 24353, 25872, 27335, 27440, 27832, 29820, 30184, 31240, 32340, 32802, 34790, 37488, 37730, 38269, 39760, 41160, 41748, 43120, 43736, 45276, 46860, 48706, 52185, 54670, 55664, 56595, 59640, 60368, 62480, 64680, 65604, 69580, 73059, 75460, 76538, 82005, 82320, 83496, 87472, 90552, 93720, 97412, 104370, 109340, 113190, 114807, 119280, 121765, 129360, 131208, 139160, 146118, 150920, 153076, 164010, 166992, 181104, 187440, 191345, 194824, 208740, 218680, 226380, 229614, 243530, 262416, 267883, 278320, 292236, 301840, 306152, 328020, 365295, 382690, 389648, 417480, 437360, 452760, 459228, 487060, 535766, 574035, 584472, 612304, 656040, 730590, 765380, 803649, 834960, 905520, 918456, 974120, 1071532, 1148070, 1168944, 1312080, 1339415, 1461180, 1530760, 1607298, 1836912, 1948240, 2143064, 2296140, 2678830, 2922360, 3061520, 3214596, 4018245, 4286128, 4592280, 5357660, 5844720, 6429192, 8036490, 9184560, 10715320, 12858384, 16072980, 21430640, 32145960, 64291920]

約数ペア:

[(1, 64291920), (2, 32145960), (3, 21430640), (4, 16072980), (5, 12858384), (6, 10715320), (7, 9184560), (8, 8036490), (10, 6429192), (11, 5844720), (12, 5357660), (14, 4592280), (15, 4286128), (16, 4018245), (20, 3214596), (21, 3061520), (22, 2922360), (24, 2678830), (28, 2296140), (30, 2143064), (33, 1948240), (35, 1836912), (40, 1607298), (42, 1530760), (44, 1461180), (48, 1339415), (49, 1312080), (55, 1168944), (56, 1148070), (60, 1071532), (66, 974120), (70, 918456), (71, 905520), (77, 834960), (80, 803649), (84, 765380), (88, 730590), (98, 656040), (105, 612304), (110, 584472), (112, 574035), (120, 535766), (132, 487060), (140, 459228), (142, 452760), (147, 437360), (154, 417480), (165, 389648), (168, 382690), (176, 365295), (196, 328020), (210, 306152), (213, 301840), (220, 292236), (231, 278320), (240, 267883), (245, 262416), (264, 243530), (280, 229614), (284, 226380), (294, 218680), (308, 208740), (330, 194824), (336, 191345), (343, 187440), (355, 181104), (385, 166992), (392, 164010), (420, 153076), (426, 150920), (440, 146118), (462, 139160), (490, 131208), (497, 129360), (528, 121765), (539, 119280), (560, 114807), (568, 113190), (588, 109340), (616, 104370), (660, 97412), (686, 93720), (710, 90552), (735, 87472), (770, 83496), (781, 82320), (784, 82005), (840, 76538), (852, 75460), (880, 73059), (924, 69580), (980, 65604), (994, 64680), (1029, 62480), (1065, 60368), (1078, 59640), (1136, 56595), (1155, 55664), (1176, 54670), (1232, 52185), (1320, 48706), (1372, 46860), (1420, 45276), (1470, 43736), (1491, 43120), (1540, 41748), (1562, 41160), (1617, 39760), (1680, 38269), (1704, 37730), (1715, 37488), (1848, 34790), (1960, 32802), (1988, 32340), (2058, 31240), (2130, 30184), (2156, 29820), (2310, 27832), (2343, 27440), (2352, 27335), (2485, 25872), (2640, 24353), (2695, 23856), (2744, 23430), (2840, 22638), (2940, 21868), (2982, 21560), (3080, 20874), (3124, 20580), (3234, 19880), (3408, 18865), (3430, 18744), (3479, 18480), (3696, 17395), (3773, 17040), (3905, 16464), (3920, 16401), (3976, 16170), (4116, 15620), (4260, 15092), (4312, 14910), (4620, 13916), (4686, 13720), (4970, 12936), (5145, 12496), (5390, 11928), (5467, 11760), (5488, 11715), (5680, 11319), (5880, 10934), (5964, 10780), (6160, 10437), (6248, 10290), (6468, 9940), (6860, 9372), (6958, 9240), (7455, 8624), (7546, 8520), (7810, 8232), (7952, 8085)]