82851660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 262231200

約数和(自身を除く): 179379540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 257, 270, 324, 398, 405, 514, 540, 597, 771, 796, 810, 995, 1028, 1194, 1285, 1542, 1620, 1791, 1990, 2313, 2388, 2570, 2985, 3084, 3582, 3855, 3980, 4626, 5140, 5373, 5970, 6939, 7164, 7710, 8955, 9252, 10746, 11565, 11940, 13878, 15420, 16119, 17910, 20817, 21492, 23130, 26865, 27756, 32238, 34695, 35820, 41634, 46260, 51143, 53730, 64476, 69390, 80595, 83268, 102286, 104085, 107460, 138780, 153429, 161190, 204572, 208170, 255715, 306858, 322380, 416340, 460287, 511430, 613716, 767145, 920574, 1022860, 1380861, 1534290, 1841148, 2301435, 2761722, 3068580, 4142583, 4602870, 5523444, 6904305, 8285166, 9205740, 13808610, 16570332, 20712915, 27617220, 41425830, 82851660]

約数ペア:

[(1, 82851660), (2, 41425830), (3, 27617220), (4, 20712915), (5, 16570332), (6, 13808610), (9, 9205740), (10, 8285166), (12, 6904305), (15, 5523444), (18, 4602870), (20, 4142583), (27, 3068580), (30, 2761722), (36, 2301435), (45, 1841148), (54, 1534290), (60, 1380861), (81, 1022860), (90, 920574), (108, 767145), (135, 613716), (162, 511430), (180, 460287), (199, 416340), (257, 322380), (270, 306858), (324, 255715), (398, 208170), (405, 204572), (514, 161190), (540, 153429), (597, 138780), (771, 107460), (796, 104085), (810, 102286), (995, 83268), (1028, 80595), (1194, 69390), (1285, 64476), (1542, 53730), (1620, 51143), (1791, 46260), (1990, 41634), (2313, 35820), (2388, 34695), (2570, 32238), (2985, 27756), (3084, 26865), (3582, 23130), (3855, 21492), (3980, 20817), (4626, 17910), (5140, 16119), (5373, 15420), (5970, 13878), (6939, 11940), (7164, 11565), (7710, 10746), (8955, 9252)]