398947680

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 288

約数和(自身を含む): 1461777408

約数和(自身を除く): 1062829728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 243, 248, 270, 279, 288, 310, 324, 331, 360, 372, 405, 432, 465, 480, 486, 496, 540, 558, 620, 648, 662, 720, 744, 810, 837, 864, 930, 972, 992, 993, 1080, 1116, 1215, 1240, 1296, 1324, 1395, 1440, 1488, 1620, 1655, 1674, 1860, 1944, 1986, 2160, 2232, 2430, 2480, 2511, 2592, 2648, 2790, 2976, 2979, 3240, 3310, 3348, 3720, 3888, 3972, 4185, 4320, 4464, 4860, 4960, 4965, 5022, 5296, 5580, 5958, 6480, 6620, 6696, 7440, 7533, 7776, 7944, 8370, 8928, 8937, 9720, 9930, 10044, 10261, 10592, 11160, 11916, 12555, 12960, 13240, 13392, 14880, 14895, 15066, 15888, 16740, 17874, 19440, 19860, 20088, 20522, 22320, 23832, 25110, 26480, 26784, 26811, 29790, 30132, 30783, 31776, 33480, 35748, 37665, 38880, 39720, 40176, 41044, 44640, 44685, 47664, 50220, 51305, 52960, 53622, 59580, 60264, 61566, 66960, 71496, 75330, 79440, 80352, 80433, 82088, 89370, 92349, 95328, 100440, 102610, 107244, 119160, 120528, 123132, 133920, 134055, 142992, 150660, 153915, 158880, 160866, 164176, 178740, 184698, 200880, 205220, 214488, 238320, 241056, 246264, 268110, 277047, 285984, 301320, 307830, 321732, 328352, 357480, 369396, 401760, 402165, 410440, 428976, 461745, 476640, 492528, 536220, 554094, 602640, 615660, 643464, 714960, 738792, 804330, 820880, 831141, 857952, 923490, 985056, 1072440, 1108188, 1205280, 1231320, 1286928, 1385235, 1429920, 1477584, 1608660, 1641760, 1662282, 1846980, 2144880, 2216376, 2462640, 2493423, 2573856, 2770470, 2955168, 3217320, 3324564, 3693960, 4155705, 4289760, 4432752, 4925280, 4986846, 5540940, 6434640, 6649128, 7387920, 8311410, 8865504, 9973692, 11081880, 12467115, 12869280, 13298256, 14775840, 16622820, 19947384, 22163760, 24934230, 26596512, 33245640, 39894768, 44327520, 49868460, 66491280, 79789536, 99736920, 132982560, 199473840, 398947680]

約数ペア:

[(1, 398947680), (2, 199473840), (3, 132982560), (4, 99736920), (5, 79789536), (6, 66491280), (8, 49868460), (9, 44327520), (10, 39894768), (12, 33245640), (15, 26596512), (16, 24934230), (18, 22163760), (20, 19947384), (24, 16622820), (27, 14775840), (30, 13298256), (31, 12869280), (32, 12467115), (36, 11081880), (40, 9973692), (45, 8865504), (48, 8311410), (54, 7387920), (60, 6649128), (62, 6434640), (72, 5540940), (80, 4986846), (81, 4925280), (90, 4432752), (93, 4289760), (96, 4155705), (108, 3693960), (120, 3324564), (124, 3217320), (135, 2955168), (144, 2770470), (155, 2573856), (160, 2493423), (162, 2462640), (180, 2216376), (186, 2144880), (216, 1846980), (240, 1662282), (243, 1641760), (248, 1608660), (270, 1477584), (279, 1429920), (288, 1385235), (310, 1286928), (324, 1231320), (331, 1205280), (360, 1108188), (372, 1072440), (405, 985056), (432, 923490), (465, 857952), (480, 831141), (486, 820880), (496, 804330), (540, 738792), (558, 714960), (620, 643464), (648, 615660), (662, 602640), (720, 554094), (744, 536220), (810, 492528), (837, 476640), (864, 461745), (930, 428976), (972, 410440), (992, 402165), (993, 401760), (1080, 369396), (1116, 357480), (1215, 328352), (1240, 321732), (1296, 307830), (1324, 301320), (1395, 285984), (1440, 277047), (1488, 268110), (1620, 246264), (1655, 241056), (1674, 238320), (1860, 214488), (1944, 205220), (1986, 200880), (2160, 184698), (2232, 178740), (2430, 164176), (2480, 160866), (2511, 158880), (2592, 153915), (2648, 150660), (2790, 142992), (2976, 134055), (2979, 133920), (3240, 123132), (3310, 120528), (3348, 119160), (3720, 107244), (3888, 102610), (3972, 100440), (4185, 95328), (4320, 92349), (4464, 89370), (4860, 82088), (4960, 80433), (4965, 80352), (5022, 79440), (5296, 75330), (5580, 71496), (5958, 66960), (6480, 61566), (6620, 60264), (6696, 59580), (7440, 53622), (7533, 52960), (7776, 51305), (7944, 50220), (8370, 47664), (8928, 44685), (8937, 44640), (9720, 41044), (9930, 40176), (10044, 39720), (10261, 38880), (10592, 37665), (11160, 35748), (11916, 33480), (12555, 31776), (12960, 30783), (13240, 30132), (13392, 29790), (14880, 26811), (14895, 26784), (15066, 26480), (15888, 25110), (16740, 23832), (17874, 22320), (19440, 20522), (19860, 20088)]