665040960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:218

約数の個数: 252

約数和(自身を含む): 2379401388

約数和(自身を除く): 1714360428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 79, 80, 90, 96, 111, 120, 144, 148, 158, 160, 180, 185, 192, 222, 237, 240, 288, 296, 316, 320, 333, 360, 370, 395, 444, 474, 480, 555, 576, 592, 632, 666, 711, 720, 740, 790, 888, 948, 960, 1110, 1184, 1185, 1264, 1332, 1422, 1440, 1480, 1580, 1665, 1776, 1896, 2220, 2368, 2370, 2528, 2664, 2844, 2880, 2923, 2960, 3160, 3330, 3552, 3555, 3792, 4440, 4740, 5056, 5328, 5688, 5846, 5920, 6241, 6320, 6660, 7104, 7110, 7584, 8769, 8880, 9480, 10656, 11376, 11692, 11840, 12482, 12640, 13320, 14220, 14615, 15168, 17538, 17760, 18723, 18960, 21312, 22752, 23384, 24964, 25280, 26307, 26640, 28440, 29230, 31205, 35076, 35520, 37446, 37920, 43845, 45504, 46768, 49928, 52614, 53280, 56169, 56880, 58460, 62410, 70152, 74892, 75840, 87690, 93536, 93615, 99856, 105228, 106560, 112338, 113760, 116920, 124820, 131535, 140304, 149784, 175380, 187072, 187230, 199712, 210456, 224676, 227520, 230917, 233840, 249640, 263070, 280608, 280845, 299568, 350760, 374460, 399424, 420912, 449352, 461834, 467680, 499280, 526140, 561216, 561690, 599136, 692751, 701520, 748920, 841824, 898704, 923668, 935360, 998560, 1052280, 1123380, 1154585, 1198272, 1385502, 1403040, 1497840, 1683648, 1797408, 1847336, 1997120, 2078253, 2104560, 2246760, 2309170, 2771004, 2806080, 2995680, 3463755, 3594816, 3694672, 4156506, 4209120, 4493520, 4618340, 5542008, 5991360, 6927510, 7389344, 8313012, 8418240, 8987040, 9236680, 10391265, 11084016, 13855020, 14778688, 16626024, 17974080, 18473360, 20782530, 22168032, 27710040, 33252048, 36946720, 41565060, 44336064, 55420080, 66504096, 73893440, 83130120, 110840160, 133008192, 166260240, 221680320, 332520480, 665040960]

約数ペア:

[(1, 665040960), (2, 332520480), (3, 221680320), (4, 166260240), (5, 133008192), (6, 110840160), (8, 83130120), (9, 73893440), (10, 66504096), (12, 55420080), (15, 44336064), (16, 41565060), (18, 36946720), (20, 33252048), (24, 27710040), (30, 22168032), (32, 20782530), (36, 18473360), (37, 17974080), (40, 16626024), (45, 14778688), (48, 13855020), (60, 11084016), (64, 10391265), (72, 9236680), (74, 8987040), (79, 8418240), (80, 8313012), (90, 7389344), (96, 6927510), (111, 5991360), (120, 5542008), (144, 4618340), (148, 4493520), (158, 4209120), (160, 4156506), (180, 3694672), (185, 3594816), (192, 3463755), (222, 2995680), (237, 2806080), (240, 2771004), (288, 2309170), (296, 2246760), (316, 2104560), (320, 2078253), (333, 1997120), (360, 1847336), (370, 1797408), (395, 1683648), (444, 1497840), (474, 1403040), (480, 1385502), (555, 1198272), (576, 1154585), (592, 1123380), (632, 1052280), (666, 998560), (711, 935360), (720, 923668), (740, 898704), (790, 841824), (888, 748920), (948, 701520), (960, 692751), (1110, 599136), (1184, 561690), (1185, 561216), (1264, 526140), (1332, 499280), (1422, 467680), (1440, 461834), (1480, 449352), (1580, 420912), (1665, 399424), (1776, 374460), (1896, 350760), (2220, 299568), (2368, 280845), (2370, 280608), (2528, 263070), (2664, 249640), (2844, 233840), (2880, 230917), (2923, 227520), (2960, 224676), (3160, 210456), (3330, 199712), (3552, 187230), (3555, 187072), (3792, 175380), (4440, 149784), (4740, 140304), (5056, 131535), (5328, 124820), (5688, 116920), (5846, 113760), (5920, 112338), (6241, 106560), (6320, 105228), (6660, 99856), (7104, 93615), (7110, 93536), (7584, 87690), (8769, 75840), (8880, 74892), (9480, 70152), (10656, 62410), (11376, 58460), (11692, 56880), (11840, 56169), (12482, 53280), (12640, 52614), (13320, 49928), (14220, 46768), (14615, 45504), (15168, 43845), (17538, 37920), (17760, 37446), (18723, 35520), (18960, 35076), (21312, 31205), (22752, 29230), (23384, 28440), (24964, 26640), (25280, 26307)]