290786289920

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{662323}}^1$

素因数の和:662365

約数の個数: 144

約数和(自身を含む): 812274153600

約数和(自身を除く): 521487863680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7840, 8960, 10976, 12544, 13720, 15680, 21952, 27440, 31360, 43904, 54880, 62720, 87808, 109760, 219520, 439040, 662323, 1324646, 2649292, 3311615, 4636261, 5298584, 6623230, 9272522, 10597168, 13246460, 18545044, 21194336, 23181305, 26492920, 32453827, 37090088, 42388672, 46362610, 52985840, 64907654, 74180176, 84777344, 92725220, 105971680, 129815308, 148360352, 162269135, 169554688, 185450440, 211943360, 227176789, 259630616, 296720704, 324538270, 370900880, 423886720, 454353578, 519261232, 593441408, 649076540, 741801760, 847773440, 908707156, 1038522464, 1135883945, 1186882816, 1298153080, 1483603520, 1817414312, 2077044928, 2271767890, 2596306160, 2967207040, 3634828624, 4154089856, 4543535780, 5192612320, 5934414080, 7269657248, 8308179712, 9087071560, 10385224640, 14539314496, 18174143120, 20770449280, 29078628992, 36348286240, 41540898560, 58157257984, 72696572480, 145393144960, 290786289920]

約数ペア:

[(1, 290786289920), (2, 145393144960), (4, 72696572480), (5, 58157257984), (7, 41540898560), (8, 36348286240), (10, 29078628992), (14, 20770449280), (16, 18174143120), (20, 14539314496), (28, 10385224640), (32, 9087071560), (35, 8308179712), (40, 7269657248), (49, 5934414080), (56, 5192612320), (64, 4543535780), (70, 4154089856), (80, 3634828624), (98, 2967207040), (112, 2596306160), (128, 2271767890), (140, 2077044928), (160, 1817414312), (196, 1483603520), (224, 1298153080), (245, 1186882816), (256, 1135883945), (280, 1038522464), (320, 908707156), (343, 847773440), (392, 741801760), (448, 649076540), (490, 593441408), (560, 519261232), (640, 454353578), (686, 423886720), (784, 370900880), (896, 324538270), (980, 296720704), (1120, 259630616), (1280, 227176789), (1372, 211943360), (1568, 185450440), (1715, 169554688), (1792, 162269135), (1960, 148360352), (2240, 129815308), (2744, 105971680), (3136, 92725220), (3430, 84777344), (3920, 74180176), (4480, 64907654), (5488, 52985840), (6272, 46362610), (6860, 42388672), (7840, 37090088), (8960, 32453827), (10976, 26492920), (12544, 23181305), (13720, 21194336), (15680, 18545044), (21952, 13246460), (27440, 10597168), (31360, 9272522), (43904, 6623230), (54880, 5298584), (62720, 4636261), (87808, 3311615), (109760, 2649292), (219520, 1324646), (439040, 662323)]