81150900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 258316800

約数和(自身を除く): 177165900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 25, 30, 38, 46, 50, 57, 60, 69, 75, 76, 92, 95, 100, 114, 115, 138, 150, 190, 228, 230, 276, 285, 300, 345, 380, 437, 460, 475, 570, 575, 619, 690, 874, 950, 1140, 1150, 1238, 1311, 1380, 1425, 1725, 1748, 1857, 1900, 2185, 2300, 2476, 2622, 2850, 3095, 3450, 3714, 4370, 5244, 5700, 6190, 6555, 6900, 7428, 8740, 9285, 10925, 11761, 12380, 13110, 14237, 15475, 18570, 21850, 23522, 26220, 28474, 30950, 32775, 35283, 37140, 42711, 43700, 46425, 47044, 56948, 58805, 61900, 65550, 70566, 71185, 85422, 92850, 117610, 131100, 141132, 142370, 170844, 176415, 185700, 213555, 235220, 270503, 284740, 294025, 352830, 355925, 427110, 541006, 588050, 705660, 711850, 811509, 854220, 882075, 1067775, 1082012, 1176100, 1352515, 1423700, 1623018, 1764150, 2135550, 2705030, 3246036, 3528300, 4057545, 4271100, 5410060, 6762575, 8115090, 13525150, 16230180, 20287725, 27050300, 40575450, 81150900]

約数ペア:

[(1, 81150900), (2, 40575450), (3, 27050300), (4, 20287725), (5, 16230180), (6, 13525150), (10, 8115090), (12, 6762575), (15, 5410060), (19, 4271100), (20, 4057545), (23, 3528300), (25, 3246036), (30, 2705030), (38, 2135550), (46, 1764150), (50, 1623018), (57, 1423700), (60, 1352515), (69, 1176100), (75, 1082012), (76, 1067775), (92, 882075), (95, 854220), (100, 811509), (114, 711850), (115, 705660), (138, 588050), (150, 541006), (190, 427110), (228, 355925), (230, 352830), (276, 294025), (285, 284740), (300, 270503), (345, 235220), (380, 213555), (437, 185700), (460, 176415), (475, 170844), (570, 142370), (575, 141132), (619, 131100), (690, 117610), (874, 92850), (950, 85422), (1140, 71185), (1150, 70566), (1238, 65550), (1311, 61900), (1380, 58805), (1425, 56948), (1725, 47044), (1748, 46425), (1857, 43700), (1900, 42711), (2185, 37140), (2300, 35283), (2476, 32775), (2622, 30950), (2850, 28474), (3095, 26220), (3450, 23522), (3714, 21850), (4370, 18570), (5244, 15475), (5700, 14237), (6190, 13110), (6555, 12380), (6900, 11761), (7428, 10925), (8740, 9285)]