331348320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 240

約数和(自身を含む): 1202726448

約数和(自身を除く): 871378128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 96, 108, 111, 120, 135, 144, 148, 160, 162, 180, 185, 216, 222, 240, 270, 288, 296, 324, 333, 360, 370, 405, 432, 444, 480, 540, 555, 592, 648, 666, 691, 720, 740, 810, 864, 888, 999, 1080, 1110, 1184, 1296, 1332, 1382, 1440, 1480, 1620, 1665, 1776, 1998, 2073, 2160, 2220, 2592, 2664, 2764, 2960, 2997, 3240, 3330, 3455, 3552, 3996, 4146, 4320, 4440, 4995, 5328, 5528, 5920, 5994, 6219, 6480, 6660, 6910, 7992, 8292, 8880, 9990, 10365, 10656, 11056, 11988, 12438, 12960, 13320, 13820, 14985, 15984, 16584, 17760, 18657, 19980, 20730, 22112, 23976, 24876, 25567, 26640, 27640, 29970, 31095, 31968, 33168, 37314, 39960, 41460, 47952, 49752, 51134, 53280, 55280, 55971, 59940, 62190, 66336, 74628, 76701, 79920, 82920, 93285, 95904, 99504, 102268, 110560, 111942, 119880, 124380, 127835, 149256, 153402, 159840, 165840, 186570, 199008, 204536, 223884, 230103, 239760, 248760, 255670, 279855, 298512, 306804, 331680, 373140, 383505, 409072, 447768, 460206, 479520, 497520, 511340, 559710, 597024, 613608, 690309, 746280, 767010, 818144, 895536, 920412, 995040, 1022680, 1119420, 1150515, 1227216, 1380618, 1492560, 1534020, 1791072, 1840824, 2045360, 2070927, 2238840, 2301030, 2454432, 2761236, 2985120, 3068040, 3451545, 3681648, 4090720, 4141854, 4477680, 4602060, 5522472, 6136080, 6903090, 7363296, 8283708, 8955360, 9204120, 10354635, 11044944, 12272160, 13806180, 16567416, 18408240, 20709270, 22089888, 27612360, 33134832, 36816480, 41418540, 55224720, 66269664, 82837080, 110449440, 165674160, 331348320]

約数ペア:

[(1, 331348320), (2, 165674160), (3, 110449440), (4, 82837080), (5, 66269664), (6, 55224720), (8, 41418540), (9, 36816480), (10, 33134832), (12, 27612360), (15, 22089888), (16, 20709270), (18, 18408240), (20, 16567416), (24, 13806180), (27, 12272160), (30, 11044944), (32, 10354635), (36, 9204120), (37, 8955360), (40, 8283708), (45, 7363296), (48, 6903090), (54, 6136080), (60, 5522472), (72, 4602060), (74, 4477680), (80, 4141854), (81, 4090720), (90, 3681648), (96, 3451545), (108, 3068040), (111, 2985120), (120, 2761236), (135, 2454432), (144, 2301030), (148, 2238840), (160, 2070927), (162, 2045360), (180, 1840824), (185, 1791072), (216, 1534020), (222, 1492560), (240, 1380618), (270, 1227216), (288, 1150515), (296, 1119420), (324, 1022680), (333, 995040), (360, 920412), (370, 895536), (405, 818144), (432, 767010), (444, 746280), (480, 690309), (540, 613608), (555, 597024), (592, 559710), (648, 511340), (666, 497520), (691, 479520), (720, 460206), (740, 447768), (810, 409072), (864, 383505), (888, 373140), (999, 331680), (1080, 306804), (1110, 298512), (1184, 279855), (1296, 255670), (1332, 248760), (1382, 239760), (1440, 230103), (1480, 223884), (1620, 204536), (1665, 199008), (1776, 186570), (1998, 165840), (2073, 159840), (2160, 153402), (2220, 149256), (2592, 127835), (2664, 124380), (2764, 119880), (2960, 111942), (2997, 110560), (3240, 102268), (3330, 99504), (3455, 95904), (3552, 93285), (3996, 82920), (4146, 79920), (4320, 76701), (4440, 74628), (4995, 66336), (5328, 62190), (5528, 59940), (5920, 55971), (5994, 55280), (6219, 53280), (6480, 51134), (6660, 49752), (6910, 47952), (7992, 41460), (8292, 39960), (8880, 37314), (9990, 33168), (10365, 31968), (10656, 31095), (11056, 29970), (11988, 27640), (12438, 26640), (12960, 25567), (13320, 24876), (13820, 23976), (14985, 22112), (15984, 20730), (16584, 19980), (17760, 18657)]