215832760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 577886400

約数和(自身を除く): 362053640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 97, 104, 110, 130, 143, 194, 220, 260, 286, 388, 389, 440, 485, 520, 572, 715, 776, 778, 970, 1067, 1144, 1261, 1430, 1556, 1940, 1945, 2134, 2522, 2860, 3112, 3880, 3890, 4268, 4279, 5044, 5057, 5335, 5720, 6305, 7780, 8536, 8558, 10088, 10114, 10670, 12610, 13871, 15560, 17116, 20228, 21340, 21395, 25220, 25285, 27742, 34232, 37733, 40456, 42680, 42790, 50440, 50570, 55484, 55627, 69355, 75466, 85580, 101140, 110968, 111254, 138710, 150932, 171160, 188665, 202280, 222508, 277420, 278135, 301864, 377330, 415063, 445016, 490529, 554840, 556270, 754660, 830126, 981058, 1112540, 1509320, 1660252, 1962116, 2075315, 2225080, 2452645, 3320504, 3924232, 4150630, 4905290, 5395819, 8301260, 9810580, 10791638, 16602520, 19621160, 21583276, 26979095, 43166552, 53958190, 107916380, 215832760]

約数ペア:

[(1, 215832760), (2, 107916380), (4, 53958190), (5, 43166552), (8, 26979095), (10, 21583276), (11, 19621160), (13, 16602520), (20, 10791638), (22, 9810580), (26, 8301260), (40, 5395819), (44, 4905290), (52, 4150630), (55, 3924232), (65, 3320504), (88, 2452645), (97, 2225080), (104, 2075315), (110, 1962116), (130, 1660252), (143, 1509320), (194, 1112540), (220, 981058), (260, 830126), (286, 754660), (388, 556270), (389, 554840), (440, 490529), (485, 445016), (520, 415063), (572, 377330), (715, 301864), (776, 278135), (778, 277420), (970, 222508), (1067, 202280), (1144, 188665), (1261, 171160), (1430, 150932), (1556, 138710), (1940, 111254), (1945, 110968), (2134, 101140), (2522, 85580), (2860, 75466), (3112, 69355), (3880, 55627), (3890, 55484), (4268, 50570), (4279, 50440), (5044, 42790), (5057, 42680), (5335, 40456), (5720, 37733), (6305, 34232), (7780, 27742), (8536, 25285), (8558, 25220), (10088, 21395), (10114, 21340), (10670, 20228), (12610, 17116), (13871, 15560)]