257988120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2889

約数の個数: 128

約数和(自身を含む): 847929600

約数和(自身を除く): 589941480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 1180, 1416, 1534, 1560, 1770, 2301, 2360, 2803, 3068, 3540, 3835, 4602, 5606, 6136, 7080, 7670, 8409, 9204, 11212, 11505, 14015, 15340, 16818, 18408, 22424, 23010, 28030, 30680, 33636, 36439, 42045, 46020, 56060, 67272, 72878, 84090, 92040, 109317, 112120, 145756, 165377, 168180, 182195, 218634, 291512, 330754, 336360, 364390, 437268, 496131, 546585, 661508, 728780, 826885, 874536, 992262, 1093170, 1323016, 1457560, 1653770, 1984524, 2149901, 2186340, 2480655, 3307540, 3969048, 4299802, 4372680, 4961310, 6449703, 6615080, 8599604, 9922620, 10749505, 12899406, 17199208, 19845240, 21499010, 25798812, 32248515, 42998020, 51597624, 64497030, 85996040, 128994060, 257988120]

約数ペア:

[(1, 257988120), (2, 128994060), (3, 85996040), (4, 64497030), (5, 51597624), (6, 42998020), (8, 32248515), (10, 25798812), (12, 21499010), (13, 19845240), (15, 17199208), (20, 12899406), (24, 10749505), (26, 9922620), (30, 8599604), (39, 6615080), (40, 6449703), (52, 4961310), (59, 4372680), (60, 4299802), (65, 3969048), (78, 3307540), (104, 2480655), (118, 2186340), (120, 2149901), (130, 1984524), (156, 1653770), (177, 1457560), (195, 1323016), (236, 1093170), (260, 992262), (295, 874536), (312, 826885), (354, 728780), (390, 661508), (472, 546585), (520, 496131), (590, 437268), (708, 364390), (767, 336360), (780, 330754), (885, 291512), (1180, 218634), (1416, 182195), (1534, 168180), (1560, 165377), (1770, 145756), (2301, 112120), (2360, 109317), (2803, 92040), (3068, 84090), (3540, 72878), (3835, 67272), (4602, 56060), (5606, 46020), (6136, 42045), (7080, 36439), (7670, 33636), (8409, 30680), (9204, 28030), (11212, 23010), (11505, 22424), (14015, 18408), (15340, 16818)]