218270850640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1\times {\mathrm{22153}}^1$

素因数の和:23804

約数の個数: 80

約数和(自身を含む): 514256371200

約数和(自身を除く): 295985520560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1559, 1580, 3118, 3160, 6236, 6320, 7795, 12472, 15590, 22153, 24944, 31180, 44306, 62360, 88612, 110765, 123161, 124720, 177224, 221530, 246322, 354448, 443060, 492644, 615805, 886120, 985288, 1231610, 1750087, 1772240, 1970576, 2463220, 3500174, 4926440, 7000348, 8750435, 9852880, 14000696, 17500870, 28001392, 34536527, 35001740, 69073054, 70003480, 138146108, 140006960, 172682635, 276292216, 345365270, 552584432, 690730540, 1381461080, 2728385633, 2762922160, 5456771266, 10913542532, 13641928165, 21827085064, 27283856330, 43654170128, 54567712660, 109135425320, 218270850640]

約数ペア:

[(1, 218270850640), (2, 109135425320), (4, 54567712660), (5, 43654170128), (8, 27283856330), (10, 21827085064), (16, 13641928165), (20, 10913542532), (40, 5456771266), (79, 2762922160), (80, 2728385633), (158, 1381461080), (316, 690730540), (395, 552584432), (632, 345365270), (790, 276292216), (1264, 172682635), (1559, 140006960), (1580, 138146108), (3118, 70003480), (3160, 69073054), (6236, 35001740), (6320, 34536527), (7795, 28001392), (12472, 17500870), (15590, 14000696), (22153, 9852880), (24944, 8750435), (31180, 7000348), (44306, 4926440), (62360, 3500174), (88612, 2463220), (110765, 1970576), (123161, 1772240), (124720, 1750087), (177224, 1231610), (221530, 985288), (246322, 886120), (354448, 615805), (443060, 492644)]