680163840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 240

約数和(自身を含む): 2404352808

約数和(自身を除く): 1724188968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 557, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1114, 1152, 1272, 1280, 1440, 1536, 1590, 1671, 1696, 1908, 1920, 2120, 2228, 2304, 2385, 2544, 2560, 2785, 2880, 3180, 3342, 3392, 3816, 3840, 4240, 4456, 4608, 4770, 5013, 5088, 5570, 5760, 6360, 6684, 6784, 7632, 7680, 8355, 8480, 8912, 9540, 10026, 10176, 11140, 11520, 12720, 13368, 13568, 15264, 16710, 16960, 17824, 19080, 20052, 20352, 22280, 23040, 25065, 25440, 26736, 27136, 29521, 30528, 33420, 33920, 35648, 38160, 40104, 40704, 44560, 50130, 50880, 53472, 59042, 61056, 66840, 67840, 71296, 76320, 80208, 81408, 88563, 89120, 100260, 101760, 106944, 118084, 122112, 133680, 135680, 142592, 147605, 152640, 160416, 177126, 178240, 200520, 203520, 213888, 236168, 244224, 265689, 267360, 285184, 295210, 305280, 320832, 354252, 356480, 401040, 407040, 427776, 442815, 472336, 531378, 534720, 590420, 610560, 641664, 708504, 712960, 802080, 855552, 885630, 944672, 1062756, 1069440, 1180840, 1221120, 1283328, 1328445, 1417008, 1425920, 1604160, 1771260, 1889344, 2125512, 2138880, 2361680, 2566656, 2656890, 2834016, 3208320, 3542520, 3778688, 4251024, 4277760, 4723360, 5313780, 5668032, 6416640, 7085040, 7557376, 8502048, 9446720, 10627560, 11336064, 12833280, 14170080, 15114752, 17004096, 18893440, 21255120, 22672128, 28340160, 34008192, 37786880, 42510240, 45344256, 56680320, 68016384, 75573760, 85020480, 113360640, 136032768, 170040960, 226721280, 340081920, 680163840]

約数ペア:

[(1, 680163840), (2, 340081920), (3, 226721280), (4, 170040960), (5, 136032768), (6, 113360640), (8, 85020480), (9, 75573760), (10, 68016384), (12, 56680320), (15, 45344256), (16, 42510240), (18, 37786880), (20, 34008192), (24, 28340160), (30, 22672128), (32, 21255120), (36, 18893440), (40, 17004096), (45, 15114752), (48, 14170080), (53, 12833280), (60, 11336064), (64, 10627560), (72, 9446720), (80, 8502048), (90, 7557376), (96, 7085040), (106, 6416640), (120, 5668032), (128, 5313780), (144, 4723360), (159, 4277760), (160, 4251024), (180, 3778688), (192, 3542520), (212, 3208320), (240, 2834016), (256, 2656890), (265, 2566656), (288, 2361680), (318, 2138880), (320, 2125512), (360, 1889344), (384, 1771260), (424, 1604160), (477, 1425920), (480, 1417008), (512, 1328445), (530, 1283328), (557, 1221120), (576, 1180840), (636, 1069440), (640, 1062756), (720, 944672), (768, 885630), (795, 855552), (848, 802080), (954, 712960), (960, 708504), (1060, 641664), (1114, 610560), (1152, 590420), (1272, 534720), (1280, 531378), (1440, 472336), (1536, 442815), (1590, 427776), (1671, 407040), (1696, 401040), (1908, 356480), (1920, 354252), (2120, 320832), (2228, 305280), (2304, 295210), (2385, 285184), (2544, 267360), (2560, 265689), (2785, 244224), (2880, 236168), (3180, 213888), (3342, 203520), (3392, 200520), (3816, 178240), (3840, 177126), (4240, 160416), (4456, 152640), (4608, 147605), (4770, 142592), (5013, 135680), (5088, 133680), (5570, 122112), (5760, 118084), (6360, 106944), (6684, 101760), (6784, 100260), (7632, 89120), (7680, 88563), (8355, 81408), (8480, 80208), (8912, 76320), (9540, 71296), (10026, 67840), (10176, 66840), (11140, 61056), (11520, 59042), (12720, 53472), (13368, 50880), (13568, 50130), (15264, 44560), (16710, 40704), (16960, 40104), (17824, 38160), (19080, 35648), (20052, 33920), (20352, 33420), (22280, 30528), (23040, 29521), (25065, 27136), (25440, 26736)]