208412880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 160

約数和(自身を含む): 706871424

約数和(自身を除く): 498458544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 67, 78, 80, 104, 120, 130, 134, 156, 195, 201, 208, 240, 260, 268, 312, 335, 390, 402, 520, 536, 624, 670, 780, 804, 871, 997, 1005, 1040, 1072, 1340, 1560, 1608, 1742, 1994, 2010, 2613, 2680, 2991, 3120, 3216, 3484, 3988, 4020, 4355, 4985, 5226, 5360, 5982, 6968, 7976, 8040, 8710, 9970, 10452, 11964, 12961, 13065, 13936, 14955, 15952, 16080, 17420, 19940, 20904, 23928, 25922, 26130, 29910, 34840, 38883, 39880, 41808, 47856, 51844, 52260, 59820, 64805, 66799, 69680, 77766, 79760, 103688, 104520, 119640, 129610, 133598, 155532, 194415, 200397, 207376, 209040, 239280, 259220, 267196, 311064, 333995, 388830, 400794, 518440, 534392, 622128, 667990, 777660, 801588, 868387, 1001985, 1036880, 1068784, 1335980, 1555320, 1603176, 1736774, 2003970, 2605161, 2671960, 3110640, 3206352, 3473548, 4007940, 4341935, 5210322, 5343920, 6947096, 8015880, 8683870, 10420644, 13025805, 13894192, 16031760, 17367740, 20841288, 26051610, 34735480, 41682576, 52103220, 69470960, 104206440, 208412880]

約数ペア:

[(1, 208412880), (2, 104206440), (3, 69470960), (4, 52103220), (5, 41682576), (6, 34735480), (8, 26051610), (10, 20841288), (12, 17367740), (13, 16031760), (15, 13894192), (16, 13025805), (20, 10420644), (24, 8683870), (26, 8015880), (30, 6947096), (39, 5343920), (40, 5210322), (48, 4341935), (52, 4007940), (60, 3473548), (65, 3206352), (67, 3110640), (78, 2671960), (80, 2605161), (104, 2003970), (120, 1736774), (130, 1603176), (134, 1555320), (156, 1335980), (195, 1068784), (201, 1036880), (208, 1001985), (240, 868387), (260, 801588), (268, 777660), (312, 667990), (335, 622128), (390, 534392), (402, 518440), (520, 400794), (536, 388830), (624, 333995), (670, 311064), (780, 267196), (804, 259220), (871, 239280), (997, 209040), (1005, 207376), (1040, 200397), (1072, 194415), (1340, 155532), (1560, 133598), (1608, 129610), (1742, 119640), (1994, 104520), (2010, 103688), (2613, 79760), (2680, 77766), (2991, 69680), (3120, 66799), (3216, 64805), (3484, 59820), (3988, 52260), (4020, 51844), (4355, 47856), (4985, 41808), (5226, 39880), (5360, 38883), (5982, 34840), (6968, 29910), (7976, 26130), (8040, 25922), (8710, 23928), (9970, 20904), (10452, 19940), (11964, 17420), (12961, 16080), (13065, 15952), (13936, 14955)]