66708040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 181232640

約数和(自身を除く): 114524600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 137, 140, 148, 185, 188, 235, 259, 274, 280, 296, 329, 370, 376, 470, 518, 548, 658, 685, 740, 940, 959, 1036, 1096, 1295, 1316, 1370, 1480, 1645, 1739, 1880, 1918, 2072, 2590, 2632, 2740, 3290, 3478, 3836, 4795, 5069, 5180, 5480, 6439, 6580, 6956, 7672, 8695, 9590, 10138, 10360, 12173, 12878, 13160, 13912, 17390, 19180, 20276, 24346, 25345, 25756, 32195, 34780, 35483, 38360, 40552, 45073, 48692, 50690, 51512, 60865, 64390, 69560, 70966, 90146, 97384, 101380, 121730, 128780, 141932, 177415, 180292, 202760, 225365, 238243, 243460, 257560, 283864, 354830, 360584, 450730, 476486, 486920, 709660, 901460, 952972, 1191215, 1419320, 1667701, 1802920, 1905944, 2382430, 3335402, 4764860, 6670804, 8338505, 9529720, 13341608, 16677010, 33354020, 66708040]

約数ペア:

[(1, 66708040), (2, 33354020), (4, 16677010), (5, 13341608), (7, 9529720), (8, 8338505), (10, 6670804), (14, 4764860), (20, 3335402), (28, 2382430), (35, 1905944), (37, 1802920), (40, 1667701), (47, 1419320), (56, 1191215), (70, 952972), (74, 901460), (94, 709660), (137, 486920), (140, 476486), (148, 450730), (185, 360584), (188, 354830), (235, 283864), (259, 257560), (274, 243460), (280, 238243), (296, 225365), (329, 202760), (370, 180292), (376, 177415), (470, 141932), (518, 128780), (548, 121730), (658, 101380), (685, 97384), (740, 90146), (940, 70966), (959, 69560), (1036, 64390), (1096, 60865), (1295, 51512), (1316, 50690), (1370, 48692), (1480, 45073), (1645, 40552), (1739, 38360), (1880, 35483), (1918, 34780), (2072, 32195), (2590, 25756), (2632, 25345), (2740, 24346), (3290, 20276), (3478, 19180), (3836, 17390), (4795, 13912), (5069, 13160), (5180, 12878), (5480, 12173), (6439, 10360), (6580, 10138), (6956, 9590), (7672, 8695)]