21678880320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{242819}}^1$

素因数の和:242873

約数の個数: 168

約数和(自身を含む): 76971997440

約数和(自身を除く): 55293117120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 242819, 485638, 728457, 971276, 1214095, 1456914, 1942552, 2185371, 2428190, 2913828, 3642285, 3885104, 4370742, 4856380, 5827656, 7284570, 7527389, 7770208, 8741484, 9712760, 10926855, 11655312, 14569140, 15054778, 15540416, 17482968, 19425520, 21853710, 22582167, 23310624, 29138280, 30109556, 34965936, 37636945, 38851040, 43707420, 45164334, 46621248, 58276560, 60219112, 67746501, 69931872, 75273890, 77702080, 87414840, 90328668, 112910835, 116553120, 120438224, 135493002, 139863744, 150547780, 174829680, 180657336, 225821670, 233106240, 240876448, 270986004, 301095560, 338732505, 349659360, 361314672, 451643340, 481752896, 541972008, 602191120, 677465010, 699318720, 722629344, 903286680, 1083944016, 1204382240, 1354930020, 1445258688, 1806573360, 2167888032, 2408764480, 2709860040, 3613146720, 4335776064, 5419720080, 7226293440, 10839440160, 21678880320]

約数ペア:

[(1, 21678880320), (2, 10839440160), (3, 7226293440), (4, 5419720080), (5, 4335776064), (6, 3613146720), (8, 2709860040), (9, 2408764480), (10, 2167888032), (12, 1806573360), (15, 1445258688), (16, 1354930020), (18, 1204382240), (20, 1083944016), (24, 903286680), (30, 722629344), (31, 699318720), (32, 677465010), (36, 602191120), (40, 541972008), (45, 481752896), (48, 451643340), (60, 361314672), (62, 349659360), (64, 338732505), (72, 301095560), (80, 270986004), (90, 240876448), (93, 233106240), (96, 225821670), (120, 180657336), (124, 174829680), (144, 150547780), (155, 139863744), (160, 135493002), (180, 120438224), (186, 116553120), (192, 112910835), (240, 90328668), (248, 87414840), (279, 77702080), (288, 75273890), (310, 69931872), (320, 67746501), (360, 60219112), (372, 58276560), (465, 46621248), (480, 45164334), (496, 43707420), (558, 38851040), (576, 37636945), (620, 34965936), (720, 30109556), (744, 29138280), (930, 23310624), (960, 22582167), (992, 21853710), (1116, 19425520), (1240, 17482968), (1395, 15540416), (1440, 15054778), (1488, 14569140), (1860, 11655312), (1984, 10926855), (2232, 9712760), (2480, 8741484), (2790, 7770208), (2880, 7527389), (2976, 7284570), (3720, 5827656), (4464, 4856380), (4960, 4370742), (5580, 3885104), (5952, 3642285), (7440, 2913828), (8928, 2428190), (9920, 2185371), (11160, 1942552), (14880, 1456914), (17856, 1214095), (22320, 971276), (29760, 728457), (44640, 485638), (89280, 242819)]