21818840520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1\times {\mathrm{9203}}^1$

素因数の和:10099

約数の個数: 128

約数和(自身を含む): 68389401600

約数和(自身を除く): 46570561080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 859, 920, 1380, 1718, 2577, 2760, 3436, 4295, 5154, 6872, 8590, 9203, 10308, 12885, 17180, 18406, 19757, 20616, 25770, 27609, 34360, 36812, 39514, 46015, 51540, 55218, 59271, 73624, 79028, 92030, 98785, 103080, 110436, 118542, 138045, 158056, 184060, 197570, 211669, 220872, 237084, 276090, 296355, 368120, 395140, 423338, 474168, 552180, 592710, 635007, 790280, 846676, 1058345, 1104360, 1185420, 1270014, 1693352, 2116690, 2370840, 2540028, 3175035, 4233380, 5080056, 6350070, 7905377, 8466760, 12700140, 15810754, 23716131, 25400280, 31621508, 39526885, 47432262, 63243016, 79053770, 94864524, 118580655, 158107540, 181823671, 189729048, 237161310, 316215080, 363647342, 474322620, 545471013, 727294684, 909118355, 948645240, 1090942026, 1454589368, 1818236710, 2181884052, 2727355065, 3636473420, 4363768104, 5454710130, 7272946840, 10909420260, 21818840520]

約数ペア:

[(1, 21818840520), (2, 10909420260), (3, 7272946840), (4, 5454710130), (5, 4363768104), (6, 3636473420), (8, 2727355065), (10, 2181884052), (12, 1818236710), (15, 1454589368), (20, 1090942026), (23, 948645240), (24, 909118355), (30, 727294684), (40, 545471013), (46, 474322620), (60, 363647342), (69, 316215080), (92, 237161310), (115, 189729048), (120, 181823671), (138, 158107540), (184, 118580655), (230, 94864524), (276, 79053770), (345, 63243016), (460, 47432262), (552, 39526885), (690, 31621508), (859, 25400280), (920, 23716131), (1380, 15810754), (1718, 12700140), (2577, 8466760), (2760, 7905377), (3436, 6350070), (4295, 5080056), (5154, 4233380), (6872, 3175035), (8590, 2540028), (9203, 2370840), (10308, 2116690), (12885, 1693352), (17180, 1270014), (18406, 1185420), (19757, 1104360), (20616, 1058345), (25770, 846676), (27609, 790280), (34360, 635007), (36812, 592710), (39514, 552180), (46015, 474168), (51540, 423338), (55218, 395140), (59271, 368120), (73624, 296355), (79028, 276090), (92030, 237084), (98785, 220872), (103080, 211669), (110436, 197570), (118542, 184060), (138045, 158056)]