51356760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4737

約数の個数: 128

約数和(自身を含む): 189665280

約数和(自身を除く): 138308520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 4703, 5460, 9406, 10920, 14109, 18812, 23515, 28218, 32921, 37624, 47030, 56436, 61139, 65842, 70545, 94060, 98763, 112872, 122278, 131684, 141090, 164605, 183417, 188120, 197526, 244556, 263368, 282180, 305695, 329210, 366834, 395052, 427973, 489112, 493815, 564360, 611390, 658420, 733668, 790104, 855946, 917085, 987630, 1222780, 1283919, 1316840, 1467336, 1711892, 1834170, 1975260, 2139865, 2445560, 2567838, 3423784, 3668340, 3950520, 4279730, 5135676, 6419595, 7336680, 8559460, 10271352, 12839190, 17118920, 25678380, 51356760]

約数ペア:

[(1, 51356760), (2, 25678380), (3, 17118920), (4, 12839190), (5, 10271352), (6, 8559460), (7, 7336680), (8, 6419595), (10, 5135676), (12, 4279730), (13, 3950520), (14, 3668340), (15, 3423784), (20, 2567838), (21, 2445560), (24, 2139865), (26, 1975260), (28, 1834170), (30, 1711892), (35, 1467336), (39, 1316840), (40, 1283919), (42, 1222780), (52, 987630), (56, 917085), (60, 855946), (65, 790104), (70, 733668), (78, 658420), (84, 611390), (91, 564360), (104, 493815), (105, 489112), (120, 427973), (130, 395052), (140, 366834), (156, 329210), (168, 305695), (182, 282180), (195, 263368), (210, 244556), (260, 197526), (273, 188120), (280, 183417), (312, 164605), (364, 141090), (390, 131684), (420, 122278), (455, 112872), (520, 98763), (546, 94060), (728, 70545), (780, 65842), (840, 61139), (910, 56436), (1092, 47030), (1365, 37624), (1560, 32921), (1820, 28218), (2184, 23515), (2730, 18812), (3640, 14109), (4703, 10920), (5460, 9406)]