215575320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2185

約数の個数: 128

約数和(自身を含む): 693411840

約数和(自身を除く): 477836520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1380, 1480, 1702, 2111, 2220, 2553, 2760, 3404, 4222, 4255, 4440, 5106, 6333, 6808, 8444, 8510, 10212, 10555, 12666, 12765, 16888, 17020, 20424, 21110, 25332, 25530, 31665, 34040, 42220, 48553, 50664, 51060, 63330, 78107, 84440, 97106, 102120, 126660, 145659, 156214, 194212, 234321, 242765, 253320, 291318, 312428, 388424, 390535, 468642, 485530, 582636, 624856, 728295, 781070, 937284, 971060, 1165272, 1171605, 1456590, 1562140, 1796461, 1874568, 1942120, 2343210, 2913180, 3124280, 3592922, 4686420, 5389383, 5826360, 7185844, 8982305, 9372840, 10778766, 14371688, 17964610, 21557532, 26946915, 35929220, 43115064, 53893830, 71858440, 107787660, 215575320]

約数ペア:

[(1, 215575320), (2, 107787660), (3, 71858440), (4, 53893830), (5, 43115064), (6, 35929220), (8, 26946915), (10, 21557532), (12, 17964610), (15, 14371688), (20, 10778766), (23, 9372840), (24, 8982305), (30, 7185844), (37, 5826360), (40, 5389383), (46, 4686420), (60, 3592922), (69, 3124280), (74, 2913180), (92, 2343210), (111, 1942120), (115, 1874568), (120, 1796461), (138, 1562140), (148, 1456590), (184, 1171605), (185, 1165272), (222, 971060), (230, 937284), (276, 781070), (296, 728295), (345, 624856), (370, 582636), (444, 485530), (460, 468642), (552, 390535), (555, 388424), (690, 312428), (740, 291318), (851, 253320), (888, 242765), (920, 234321), (1110, 194212), (1380, 156214), (1480, 145659), (1702, 126660), (2111, 102120), (2220, 97106), (2553, 84440), (2760, 78107), (3404, 63330), (4222, 51060), (4255, 50664), (4440, 48553), (5106, 42220), (6333, 34040), (6808, 31665), (8444, 25530), (8510, 25332), (10212, 21110), (10555, 20424), (12666, 17020), (12765, 16888)]