81684960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 288

約数和(自身を含む): 314399232

約数和(自身を除く): 232714272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 96, 98, 105, 112, 115, 120, 138, 140, 147, 151, 160, 161, 168, 184, 196, 210, 224, 230, 240, 245, 276, 280, 294, 302, 322, 336, 345, 368, 392, 420, 453, 460, 480, 483, 490, 552, 560, 588, 604, 644, 672, 690, 735, 736, 755, 784, 805, 840, 906, 920, 966, 980, 1057, 1104, 1120, 1127, 1176, 1208, 1288, 1380, 1470, 1510, 1568, 1610, 1680, 1812, 1840, 1932, 1960, 2114, 2208, 2254, 2265, 2352, 2415, 2416, 2576, 2760, 2940, 3020, 3171, 3220, 3360, 3381, 3473, 3624, 3680, 3864, 3920, 4228, 4508, 4530, 4704, 4830, 4832, 5152, 5285, 5520, 5635, 5880, 6040, 6342, 6440, 6762, 6946, 7248, 7399, 7728, 7840, 8456, 9016, 9060, 9660, 10419, 10570, 11040, 11270, 11760, 12080, 12684, 12880, 13524, 13892, 14496, 14798, 15456, 15855, 16905, 16912, 17365, 18032, 18120, 19320, 20838, 21140, 22197, 22540, 23520, 24160, 24311, 25368, 25760, 27048, 27784, 29596, 31710, 33810, 33824, 34730, 36064, 36240, 36995, 38640, 41676, 42280, 44394, 45080, 48622, 50736, 52095, 54096, 55568, 59192, 63420, 67620, 69460, 72480, 72933, 73990, 77280, 83352, 84560, 88788, 90160, 97244, 101472, 104190, 108192, 110985, 111136, 118384, 121555, 126840, 135240, 138920, 145866, 147980, 166704, 169120, 170177, 177576, 180320, 194488, 208380, 221970, 236768, 243110, 253680, 270480, 277840, 291732, 295960, 333408, 340354, 355152, 364665, 388976, 416760, 443940, 486220, 507360, 510531, 540960, 555680, 583464, 591920, 680708, 710304, 729330, 777952, 833520, 850885, 887880, 972440, 1021062, 1166928, 1183840, 1361416, 1458660, 1667040, 1701770, 1775760, 1944880, 2042124, 2333856, 2552655, 2722832, 2917320, 3403540, 3551520, 3889760, 4084248, 5105310, 5445664, 5834640, 6807080, 8168496, 10210620, 11669280, 13614160, 16336992, 20421240, 27228320, 40842480, 81684960]

約数ペア:

[(1, 81684960), (2, 40842480), (3, 27228320), (4, 20421240), (5, 16336992), (6, 13614160), (7, 11669280), (8, 10210620), (10, 8168496), (12, 6807080), (14, 5834640), (15, 5445664), (16, 5105310), (20, 4084248), (21, 3889760), (23, 3551520), (24, 3403540), (28, 2917320), (30, 2722832), (32, 2552655), (35, 2333856), (40, 2042124), (42, 1944880), (46, 1775760), (48, 1701770), (49, 1667040), (56, 1458660), (60, 1361416), (69, 1183840), (70, 1166928), (80, 1021062), (84, 972440), (92, 887880), (96, 850885), (98, 833520), (105, 777952), (112, 729330), (115, 710304), (120, 680708), (138, 591920), (140, 583464), (147, 555680), (151, 540960), (160, 510531), (161, 507360), (168, 486220), (184, 443940), (196, 416760), (210, 388976), (224, 364665), (230, 355152), (240, 340354), (245, 333408), (276, 295960), (280, 291732), (294, 277840), (302, 270480), (322, 253680), (336, 243110), (345, 236768), (368, 221970), (392, 208380), (420, 194488), (453, 180320), (460, 177576), (480, 170177), (483, 169120), (490, 166704), (552, 147980), (560, 145866), (588, 138920), (604, 135240), (644, 126840), (672, 121555), (690, 118384), (735, 111136), (736, 110985), (755, 108192), (784, 104190), (805, 101472), (840, 97244), (906, 90160), (920, 88788), (966, 84560), (980, 83352), (1057, 77280), (1104, 73990), (1120, 72933), (1127, 72480), (1176, 69460), (1208, 67620), (1288, 63420), (1380, 59192), (1470, 55568), (1510, 54096), (1568, 52095), (1610, 50736), (1680, 48622), (1812, 45080), (1840, 44394), (1932, 42280), (1960, 41676), (2114, 38640), (2208, 36995), (2254, 36240), (2265, 36064), (2352, 34730), (2415, 33824), (2416, 33810), (2576, 31710), (2760, 29596), (2940, 27784), (3020, 27048), (3171, 25760), (3220, 25368), (3360, 24311), (3381, 24160), (3473, 23520), (3624, 22540), (3680, 22197), (3864, 21140), (3920, 20838), (4228, 19320), (4508, 18120), (4530, 18032), (4704, 17365), (4830, 16912), (4832, 16905), (5152, 15855), (5285, 15456), (5520, 14798), (5635, 14496), (5880, 13892), (6040, 13524), (6342, 12880), (6440, 12684), (6762, 12080), (6946, 11760), (7248, 11270), (7399, 11040), (7728, 10570), (7840, 10419), (8456, 9660), (9016, 9060)]