280955520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 256

約数和(自身を含む): 1013472000

約数和(自身を除く): 732516480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 229, 240, 270, 284, 288, 320, 355, 360, 384, 426, 432, 458, 480, 540, 568, 576, 639, 640, 687, 710, 720, 852, 864, 916, 960, 1065, 1080, 1136, 1145, 1152, 1278, 1374, 1420, 1440, 1704, 1728, 1832, 1917, 1920, 2061, 2130, 2160, 2272, 2290, 2556, 2748, 2840, 2880, 3195, 3408, 3435, 3456, 3664, 3834, 4122, 4260, 4320, 4544, 4580, 5112, 5496, 5680, 5760, 6183, 6390, 6816, 6870, 7328, 7668, 8244, 8520, 8640, 9088, 9160, 9585, 10224, 10305, 10992, 11360, 12366, 12780, 13632, 13740, 14656, 15336, 16259, 16488, 17040, 17280, 18320, 19170, 20448, 20610, 21984, 22720, 24732, 25560, 27264, 27480, 29312, 30672, 30915, 32518, 32976, 34080, 36640, 38340, 40896, 41220, 43968, 45440, 48777, 49464, 51120, 54960, 61344, 61830, 65036, 65952, 68160, 73280, 76680, 81295, 81792, 82440, 87936, 97554, 98928, 102240, 109920, 122688, 123660, 130072, 131904, 136320, 146331, 146560, 153360, 162590, 164880, 195108, 197856, 204480, 219840, 243885, 245376, 247320, 260144, 263808, 292662, 306720, 325180, 329760, 390216, 395712, 408960, 438993, 439680, 487770, 494640, 520288, 585324, 613440, 650360, 659520, 731655, 780432, 791424, 877986, 975540, 989280, 1040576, 1170648, 1226880, 1300720, 1319040, 1463310, 1560864, 1755972, 1951080, 1978560, 2081152, 2194965, 2341296, 2601440, 2926620, 3121728, 3511944, 3902160, 3957120, 4389930, 4682592, 5202880, 5853240, 6243456, 7023888, 7804320, 8779860, 9365184, 10405760, 11706480, 14047776, 15608640, 17559720, 18730368, 23412960, 28095552, 31217280, 35119440, 46825920, 56191104, 70238880, 93651840, 140477760, 280955520]

約数ペア:

[(1, 280955520), (2, 140477760), (3, 93651840), (4, 70238880), (5, 56191104), (6, 46825920), (8, 35119440), (9, 31217280), (10, 28095552), (12, 23412960), (15, 18730368), (16, 17559720), (18, 15608640), (20, 14047776), (24, 11706480), (27, 10405760), (30, 9365184), (32, 8779860), (36, 7804320), (40, 7023888), (45, 6243456), (48, 5853240), (54, 5202880), (60, 4682592), (64, 4389930), (71, 3957120), (72, 3902160), (80, 3511944), (90, 3121728), (96, 2926620), (108, 2601440), (120, 2341296), (128, 2194965), (135, 2081152), (142, 1978560), (144, 1951080), (160, 1755972), (180, 1560864), (192, 1463310), (213, 1319040), (216, 1300720), (229, 1226880), (240, 1170648), (270, 1040576), (284, 989280), (288, 975540), (320, 877986), (355, 791424), (360, 780432), (384, 731655), (426, 659520), (432, 650360), (458, 613440), (480, 585324), (540, 520288), (568, 494640), (576, 487770), (639, 439680), (640, 438993), (687, 408960), (710, 395712), (720, 390216), (852, 329760), (864, 325180), (916, 306720), (960, 292662), (1065, 263808), (1080, 260144), (1136, 247320), (1145, 245376), (1152, 243885), (1278, 219840), (1374, 204480), (1420, 197856), (1440, 195108), (1704, 164880), (1728, 162590), (1832, 153360), (1917, 146560), (1920, 146331), (2061, 136320), (2130, 131904), (2160, 130072), (2272, 123660), (2290, 122688), (2556, 109920), (2748, 102240), (2840, 98928), (2880, 97554), (3195, 87936), (3408, 82440), (3435, 81792), (3456, 81295), (3664, 76680), (3834, 73280), (4122, 68160), (4260, 65952), (4320, 65036), (4544, 61830), (4580, 61344), (5112, 54960), (5496, 51120), (5680, 49464), (5760, 48777), (6183, 45440), (6390, 43968), (6816, 41220), (6870, 40896), (7328, 38340), (7668, 36640), (8244, 34080), (8520, 32976), (8640, 32518), (9088, 30915), (9160, 30672), (9585, 29312), (10224, 27480), (10305, 27264), (10992, 25560), (11360, 24732), (12366, 22720), (12780, 21984), (13632, 20610), (13740, 20448), (14656, 19170), (15336, 18320), (16259, 17280), (16488, 17040)]