86578520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 234092160

約数和(自身を除く): 147513640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 61, 70, 74, 122, 137, 140, 148, 185, 244, 259, 274, 280, 296, 305, 370, 427, 488, 518, 548, 610, 685, 740, 854, 959, 1036, 1096, 1220, 1295, 1370, 1480, 1708, 1918, 2072, 2135, 2257, 2440, 2590, 2740, 3416, 3836, 4270, 4514, 4795, 5069, 5180, 5480, 7672, 8357, 8540, 9028, 9590, 10138, 10360, 11285, 15799, 16714, 17080, 18056, 19180, 20276, 22570, 25345, 31598, 33428, 35483, 38360, 40552, 41785, 45140, 50690, 58499, 63196, 66856, 70966, 78995, 83570, 90280, 101380, 116998, 126392, 141932, 157990, 167140, 177415, 202760, 233996, 283864, 292495, 309209, 315980, 334280, 354830, 467992, 584990, 618418, 631960, 709660, 1169980, 1236836, 1419320, 1546045, 2164463, 2339960, 2473672, 3092090, 4328926, 6184180, 8657852, 10822315, 12368360, 17315704, 21644630, 43289260, 86578520]

約数ペア:

[(1, 86578520), (2, 43289260), (4, 21644630), (5, 17315704), (7, 12368360), (8, 10822315), (10, 8657852), (14, 6184180), (20, 4328926), (28, 3092090), (35, 2473672), (37, 2339960), (40, 2164463), (56, 1546045), (61, 1419320), (70, 1236836), (74, 1169980), (122, 709660), (137, 631960), (140, 618418), (148, 584990), (185, 467992), (244, 354830), (259, 334280), (274, 315980), (280, 309209), (296, 292495), (305, 283864), (370, 233996), (427, 202760), (488, 177415), (518, 167140), (548, 157990), (610, 141932), (685, 126392), (740, 116998), (854, 101380), (959, 90280), (1036, 83570), (1096, 78995), (1220, 70966), (1295, 66856), (1370, 63196), (1480, 58499), (1708, 50690), (1918, 45140), (2072, 41785), (2135, 40552), (2257, 38360), (2440, 35483), (2590, 33428), (2740, 31598), (3416, 25345), (3836, 22570), (4270, 20276), (4514, 19180), (4795, 18056), (5069, 17080), (5180, 16714), (5480, 15799), (7672, 11285), (8357, 10360), (8540, 10138), (9028, 9590)]