81937920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 268697088

約数和(自身を除く): 186759168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 227, 235, 240, 256, 282, 320, 376, 384, 454, 470, 480, 512, 564, 640, 681, 705, 752, 768, 908, 940, 960, 1128, 1135, 1280, 1362, 1410, 1504, 1536, 1816, 1880, 1920, 2256, 2270, 2560, 2724, 2820, 3008, 3405, 3632, 3760, 3840, 4512, 4540, 5448, 5640, 6016, 6810, 7264, 7520, 7680, 9024, 9080, 10669, 10896, 11280, 12032, 13620, 14528, 15040, 18048, 18160, 21338, 21792, 22560, 24064, 27240, 29056, 30080, 32007, 36096, 36320, 42676, 43584, 45120, 53345, 54480, 58112, 60160, 64014, 72192, 72640, 85352, 87168, 90240, 106690, 108960, 116224, 120320, 128028, 145280, 160035, 170704, 174336, 180480, 213380, 217920, 256056, 290560, 320070, 341408, 348672, 360960, 426760, 435840, 512112, 581120, 640140, 682816, 853520, 871680, 1024224, 1280280, 1365632, 1707040, 1743360, 2048448, 2560560, 2731264, 3414080, 4096896, 5121120, 5462528, 6828160, 8193792, 10242240, 13656320, 16387584, 20484480, 27312640, 40968960, 81937920]

約数ペア:

[(1, 81937920), (2, 40968960), (3, 27312640), (4, 20484480), (5, 16387584), (6, 13656320), (8, 10242240), (10, 8193792), (12, 6828160), (15, 5462528), (16, 5121120), (20, 4096896), (24, 3414080), (30, 2731264), (32, 2560560), (40, 2048448), (47, 1743360), (48, 1707040), (60, 1365632), (64, 1280280), (80, 1024224), (94, 871680), (96, 853520), (120, 682816), (128, 640140), (141, 581120), (160, 512112), (188, 435840), (192, 426760), (227, 360960), (235, 348672), (240, 341408), (256, 320070), (282, 290560), (320, 256056), (376, 217920), (384, 213380), (454, 180480), (470, 174336), (480, 170704), (512, 160035), (564, 145280), (640, 128028), (681, 120320), (705, 116224), (752, 108960), (768, 106690), (908, 90240), (940, 87168), (960, 85352), (1128, 72640), (1135, 72192), (1280, 64014), (1362, 60160), (1410, 58112), (1504, 54480), (1536, 53345), (1816, 45120), (1880, 43584), (1920, 42676), (2256, 36320), (2270, 36096), (2560, 32007), (2724, 30080), (2820, 29056), (3008, 27240), (3405, 24064), (3632, 22560), (3760, 21792), (3840, 21338), (4512, 18160), (4540, 18048), (5448, 15040), (5640, 14528), (6016, 13620), (6810, 12032), (7264, 11280), (7520, 10896), (7680, 10669), (9024, 9080)]