401840640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 240

約数和(自身を含む): 1413311328

約数和(自身を除く): 1011470688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 107, 120, 128, 144, 160, 163, 180, 192, 214, 240, 256, 288, 320, 321, 326, 360, 384, 428, 480, 489, 512, 535, 576, 640, 642, 652, 720, 768, 815, 856, 960, 963, 978, 1070, 1152, 1280, 1284, 1304, 1440, 1467, 1536, 1605, 1630, 1712, 1920, 1926, 1956, 2140, 2304, 2445, 2560, 2568, 2608, 2880, 2934, 3210, 3260, 3424, 3840, 3852, 3912, 4280, 4608, 4815, 4890, 5136, 5216, 5760, 5868, 6420, 6520, 6848, 7335, 7680, 7704, 7824, 8560, 9630, 9780, 10272, 10432, 11520, 11736, 12840, 13040, 13696, 14670, 15408, 15648, 17120, 17441, 19260, 19560, 20544, 20864, 23040, 23472, 25680, 26080, 27392, 29340, 30816, 31296, 34240, 34882, 38520, 39120, 41088, 41728, 46944, 51360, 52160, 52323, 54784, 58680, 61632, 62592, 68480, 69764, 77040, 78240, 82176, 83456, 87205, 93888, 102720, 104320, 104646, 117360, 123264, 125184, 136960, 139528, 154080, 156480, 156969, 164352, 174410, 187776, 205440, 208640, 209292, 234720, 246528, 250368, 261615, 273920, 279056, 308160, 312960, 313938, 348820, 375552, 410880, 417280, 418584, 469440, 493056, 523230, 558112, 616320, 625920, 627876, 697640, 751104, 784845, 821760, 837168, 938880, 1046460, 1116224, 1232640, 1251840, 1255752, 1395280, 1569690, 1674336, 1877760, 2092920, 2232448, 2465280, 2511504, 2790560, 3139380, 3348672, 3755520, 4185840, 4464896, 5023008, 5581120, 6278760, 6697344, 8371680, 8929792, 10046016, 11162240, 12557520, 13394688, 16743360, 20092032, 22324480, 25115040, 26789376, 33486720, 40184064, 44648960, 50230080, 66973440, 80368128, 100460160, 133946880, 200920320, 401840640]

約数ペア:

[(1, 401840640), (2, 200920320), (3, 133946880), (4, 100460160), (5, 80368128), (6, 66973440), (8, 50230080), (9, 44648960), (10, 40184064), (12, 33486720), (15, 26789376), (16, 25115040), (18, 22324480), (20, 20092032), (24, 16743360), (30, 13394688), (32, 12557520), (36, 11162240), (40, 10046016), (45, 8929792), (48, 8371680), (60, 6697344), (64, 6278760), (72, 5581120), (80, 5023008), (90, 4464896), (96, 4185840), (107, 3755520), (120, 3348672), (128, 3139380), (144, 2790560), (160, 2511504), (163, 2465280), (180, 2232448), (192, 2092920), (214, 1877760), (240, 1674336), (256, 1569690), (288, 1395280), (320, 1255752), (321, 1251840), (326, 1232640), (360, 1116224), (384, 1046460), (428, 938880), (480, 837168), (489, 821760), (512, 784845), (535, 751104), (576, 697640), (640, 627876), (642, 625920), (652, 616320), (720, 558112), (768, 523230), (815, 493056), (856, 469440), (960, 418584), (963, 417280), (978, 410880), (1070, 375552), (1152, 348820), (1280, 313938), (1284, 312960), (1304, 308160), (1440, 279056), (1467, 273920), (1536, 261615), (1605, 250368), (1630, 246528), (1712, 234720), (1920, 209292), (1926, 208640), (1956, 205440), (2140, 187776), (2304, 174410), (2445, 164352), (2560, 156969), (2568, 156480), (2608, 154080), (2880, 139528), (2934, 136960), (3210, 125184), (3260, 123264), (3424, 117360), (3840, 104646), (3852, 104320), (3912, 102720), (4280, 93888), (4608, 87205), (4815, 83456), (4890, 82176), (5136, 78240), (5216, 77040), (5760, 69764), (5868, 68480), (6420, 62592), (6520, 61632), (6848, 58680), (7335, 54784), (7680, 52323), (7704, 52160), (7824, 51360), (8560, 46944), (9630, 41728), (9780, 41088), (10272, 39120), (10432, 38520), (11520, 34882), (11736, 34240), (12840, 31296), (13040, 30816), (13696, 29340), (14670, 27392), (15408, 26080), (15648, 25680), (17120, 23472), (17441, 23040), (19260, 20864), (19560, 20544)]