51188280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 191116800

約数和(自身を除く): 139928520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 19, 20, 22, 24, 26, 30, 33, 38, 39, 40, 44, 52, 55, 57, 60, 65, 66, 76, 78, 88, 95, 104, 110, 114, 120, 130, 132, 143, 152, 156, 157, 165, 190, 195, 209, 220, 228, 247, 260, 264, 285, 286, 312, 314, 330, 380, 390, 418, 429, 440, 456, 471, 494, 520, 570, 572, 627, 628, 660, 715, 741, 760, 780, 785, 836, 858, 942, 988, 1045, 1140, 1144, 1235, 1254, 1256, 1320, 1430, 1482, 1560, 1570, 1672, 1716, 1727, 1884, 1976, 2041, 2090, 2145, 2280, 2355, 2470, 2508, 2717, 2860, 2964, 2983, 3135, 3140, 3432, 3454, 3705, 3768, 4082, 4180, 4290, 4710, 4940, 5016, 5181, 5434, 5720, 5928, 5966, 6123, 6270, 6280, 6908, 7410, 8151, 8164, 8360, 8580, 8635, 8949, 9420, 9880, 10205, 10362, 10868, 11932, 12246, 12540, 13585, 13816, 14820, 14915, 16302, 16328, 17160, 17270, 17898, 18840, 20410, 20724, 21736, 22451, 23864, 24492, 25080, 25905, 27170, 29640, 29830, 30615, 32604, 32813, 34540, 35796, 38779, 40755, 40820, 41448, 44745, 44902, 48984, 51810, 54340, 59660, 61230, 65208, 65626, 67353, 69080, 71592, 77558, 81510, 81640, 89490, 89804, 98439, 103620, 108680, 112255, 116337, 119320, 122460, 131252, 134706, 155116, 163020, 164065, 178980, 179608, 193895, 196878, 207240, 224510, 232674, 244920, 262504, 269412, 310232, 326040, 328130, 336765, 357960, 387790, 393756, 426569, 449020, 465348, 492195, 538824, 581685, 656260, 673530, 775580, 787512, 853138, 898040, 930696, 984390, 1163370, 1279707, 1312520, 1347060, 1551160, 1706276, 1968780, 2132845, 2326740, 2559414, 2694120, 3412552, 3937560, 4265690, 4653480, 5118828, 6398535, 8531380, 10237656, 12797070, 17062760, 25594140, 51188280]

約数ペア:

[(1, 51188280), (2, 25594140), (3, 17062760), (4, 12797070), (5, 10237656), (6, 8531380), (8, 6398535), (10, 5118828), (11, 4653480), (12, 4265690), (13, 3937560), (15, 3412552), (19, 2694120), (20, 2559414), (22, 2326740), (24, 2132845), (26, 1968780), (30, 1706276), (33, 1551160), (38, 1347060), (39, 1312520), (40, 1279707), (44, 1163370), (52, 984390), (55, 930696), (57, 898040), (60, 853138), (65, 787512), (66, 775580), (76, 673530), (78, 656260), (88, 581685), (95, 538824), (104, 492195), (110, 465348), (114, 449020), (120, 426569), (130, 393756), (132, 387790), (143, 357960), (152, 336765), (156, 328130), (157, 326040), (165, 310232), (190, 269412), (195, 262504), (209, 244920), (220, 232674), (228, 224510), (247, 207240), (260, 196878), (264, 193895), (285, 179608), (286, 178980), (312, 164065), (314, 163020), (330, 155116), (380, 134706), (390, 131252), (418, 122460), (429, 119320), (440, 116337), (456, 112255), (471, 108680), (494, 103620), (520, 98439), (570, 89804), (572, 89490), (627, 81640), (628, 81510), (660, 77558), (715, 71592), (741, 69080), (760, 67353), (780, 65626), (785, 65208), (836, 61230), (858, 59660), (942, 54340), (988, 51810), (1045, 48984), (1140, 44902), (1144, 44745), (1235, 41448), (1254, 40820), (1256, 40755), (1320, 38779), (1430, 35796), (1482, 34540), (1560, 32813), (1570, 32604), (1672, 30615), (1716, 29830), (1727, 29640), (1884, 27170), (1976, 25905), (2041, 25080), (2090, 24492), (2145, 23864), (2280, 22451), (2355, 21736), (2470, 20724), (2508, 20410), (2717, 18840), (2860, 17898), (2964, 17270), (2983, 17160), (3135, 16328), (3140, 16302), (3432, 14915), (3454, 14820), (3705, 13816), (3768, 13585), (4082, 12540), (4180, 12246), (4290, 11932), (4710, 10868), (4940, 10362), (5016, 10205), (5181, 9880), (5434, 9420), (5720, 8949), (5928, 8635), (5966, 8580), (6123, 8360), (6270, 8164), (6280, 8151), (6908, 7410)]