64933890

素因数分解:

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

素因数の和:252

約数の個数: 128

約数和(自身を含む): 187273728

約数和(自身を除く): 122339838

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 61, 70, 74, 105, 111, 122, 137, 183, 185, 210, 222, 259, 274, 305, 366, 370, 411, 427, 518, 555, 610, 685, 777, 822, 854, 915, 959, 1110, 1281, 1295, 1370, 1554, 1830, 1918, 2055, 2135, 2257, 2562, 2590, 2877, 3885, 4110, 4270, 4514, 4795, 5069, 5754, 6405, 6771, 7770, 8357, 9590, 10138, 11285, 12810, 13542, 14385, 15207, 15799, 16714, 22570, 25071, 25345, 28770, 30414, 31598, 33855, 35483, 41785, 47397, 50142, 50690, 58499, 67710, 70966, 76035, 78995, 83570, 94794, 106449, 116998, 125355, 152070, 157990, 175497, 177415, 212898, 236985, 250710, 292495, 309209, 350994, 354830, 473970, 532245, 584990, 618418, 877485, 927627, 1064490, 1546045, 1754970, 1855254, 2164463, 3092090, 4328926, 4638135, 6493389, 9276270, 10822315, 12986778, 21644630, 32466945, 64933890]

約数ペア:

[(1, 64933890), (2, 32466945), (3, 21644630), (5, 12986778), (6, 10822315), (7, 9276270), (10, 6493389), (14, 4638135), (15, 4328926), (21, 3092090), (30, 2164463), (35, 1855254), (37, 1754970), (42, 1546045), (61, 1064490), (70, 927627), (74, 877485), (105, 618418), (111, 584990), (122, 532245), (137, 473970), (183, 354830), (185, 350994), (210, 309209), (222, 292495), (259, 250710), (274, 236985), (305, 212898), (366, 177415), (370, 175497), (411, 157990), (427, 152070), (518, 125355), (555, 116998), (610, 106449), (685, 94794), (777, 83570), (822, 78995), (854, 76035), (915, 70966), (959, 67710), (1110, 58499), (1281, 50690), (1295, 50142), (1370, 47397), (1554, 41785), (1830, 35483), (1918, 33855), (2055, 31598), (2135, 30414), (2257, 28770), (2562, 25345), (2590, 25071), (2877, 22570), (3885, 16714), (4110, 15799), (4270, 15207), (4514, 14385), (4795, 13542), (5069, 12810), (5754, 11285), (6405, 10138), (6771, 9590), (7770, 8357)]