51781080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1793

約数の個数: 128

約数和(自身を含む): 176198400

約数和(自身を除く): 124417320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1747, 1976, 2280, 2470, 2964, 3494, 3705, 4940, 5241, 5928, 6988, 7410, 8735, 9880, 10482, 13976, 14820, 17470, 20964, 22711, 26205, 29640, 33193, 34940, 41928, 45422, 52410, 66386, 68133, 69880, 90844, 99579, 104820, 113555, 132772, 136266, 165965, 181688, 199158, 209640, 227110, 265544, 272532, 331930, 340665, 398316, 431509, 454220, 497895, 545064, 663860, 681330, 796632, 863018, 908440, 995790, 1294527, 1327720, 1362660, 1726036, 1991580, 2157545, 2589054, 2725320, 3452072, 3983160, 4315090, 5178108, 6472635, 8630180, 10356216, 12945270, 17260360, 25890540, 51781080]

約数ペア:

[(1, 51781080), (2, 25890540), (3, 17260360), (4, 12945270), (5, 10356216), (6, 8630180), (8, 6472635), (10, 5178108), (12, 4315090), (13, 3983160), (15, 3452072), (19, 2725320), (20, 2589054), (24, 2157545), (26, 1991580), (30, 1726036), (38, 1362660), (39, 1327720), (40, 1294527), (52, 995790), (57, 908440), (60, 863018), (65, 796632), (76, 681330), (78, 663860), (95, 545064), (104, 497895), (114, 454220), (120, 431509), (130, 398316), (152, 340665), (156, 331930), (190, 272532), (195, 265544), (228, 227110), (247, 209640), (260, 199158), (285, 181688), (312, 165965), (380, 136266), (390, 132772), (456, 113555), (494, 104820), (520, 99579), (570, 90844), (741, 69880), (760, 68133), (780, 66386), (988, 52410), (1140, 45422), (1235, 41928), (1482, 34940), (1560, 33193), (1747, 29640), (1976, 26205), (2280, 22711), (2470, 20964), (2964, 17470), (3494, 14820), (3705, 13976), (4940, 10482), (5241, 9880), (5928, 8735), (6988, 7410)]