333671680

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 844376400

約数和(自身を除く): 510704720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 89, 101, 116, 128, 145, 160, 178, 202, 232, 256, 290, 320, 356, 404, 445, 464, 505, 580, 640, 712, 808, 890, 928, 1010, 1160, 1280, 1424, 1616, 1780, 1856, 2020, 2320, 2581, 2848, 2929, 3232, 3560, 3712, 4040, 4640, 5162, 5696, 5858, 6464, 7120, 7424, 8080, 8989, 9280, 10324, 11392, 11716, 12905, 12928, 14240, 14645, 16160, 17978, 18560, 20648, 22784, 23432, 25810, 25856, 28480, 29290, 32320, 35956, 37120, 41296, 44945, 46864, 51620, 56960, 58580, 64640, 71912, 82592, 89890, 93728, 103240, 113920, 117160, 129280, 143824, 165184, 179780, 187456, 206480, 234320, 260681, 287648, 330368, 359560, 374912, 412960, 468640, 521362, 575296, 660736, 719120, 749824, 825920, 937280, 1042724, 1150592, 1303405, 1438240, 1651840, 1874560, 2085448, 2301184, 2606810, 2876480, 3303680, 3749120, 4170896, 5213620, 5752960, 8341792, 10427240, 11505920, 16683584, 20854480, 33367168, 41708960, 66734336, 83417920, 166835840, 333671680]

約数ペア:

[(1, 333671680), (2, 166835840), (4, 83417920), (5, 66734336), (8, 41708960), (10, 33367168), (16, 20854480), (20, 16683584), (29, 11505920), (32, 10427240), (40, 8341792), (58, 5752960), (64, 5213620), (80, 4170896), (89, 3749120), (101, 3303680), (116, 2876480), (128, 2606810), (145, 2301184), (160, 2085448), (178, 1874560), (202, 1651840), (232, 1438240), (256, 1303405), (290, 1150592), (320, 1042724), (356, 937280), (404, 825920), (445, 749824), (464, 719120), (505, 660736), (580, 575296), (640, 521362), (712, 468640), (808, 412960), (890, 374912), (928, 359560), (1010, 330368), (1160, 287648), (1280, 260681), (1424, 234320), (1616, 206480), (1780, 187456), (1856, 179780), (2020, 165184), (2320, 143824), (2581, 129280), (2848, 117160), (2929, 113920), (3232, 103240), (3560, 93728), (3712, 89890), (4040, 82592), (4640, 71912), (5162, 64640), (5696, 58580), (5858, 56960), (6464, 51620), (7120, 46864), (7424, 44945), (8080, 41296), (8989, 37120), (9280, 35956), (10324, 32320), (11392, 29290), (11716, 28480), (12905, 25856), (12928, 25810), (14240, 23432), (14645, 22784), (16160, 20648), (17978, 18560)]