61331340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:956

約数の個数: 144

約数和(自身を含む): 208680192

約数和(自身を除く): 147348852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 907, 966, 980, 1127, 1380, 1470, 1610, 1814, 1932, 2254, 2415, 2721, 2940, 3220, 3381, 3628, 4508, 4535, 4830, 5442, 5635, 6349, 6762, 9070, 9660, 10884, 11270, 12698, 13524, 13605, 16905, 18140, 19047, 20861, 22540, 25396, 27210, 31745, 33810, 38094, 41722, 44443, 54420, 62583, 63490, 67620, 76188, 83444, 88886, 95235, 104305, 125166, 126980, 133329, 146027, 177772, 190470, 208610, 222215, 250332, 266658, 292054, 312915, 380940, 417220, 438081, 444430, 533316, 584108, 625830, 666645, 730135, 876162, 888860, 1022189, 1251660, 1333290, 1460270, 1752324, 2044378, 2190405, 2666580, 2920540, 3066567, 4088756, 4380810, 5110945, 6133134, 8761620, 10221890, 12266268, 15332835, 20443780, 30665670, 61331340]

約数ペア:

[(1, 61331340), (2, 30665670), (3, 20443780), (4, 15332835), (5, 12266268), (6, 10221890), (7, 8761620), (10, 6133134), (12, 5110945), (14, 4380810), (15, 4088756), (20, 3066567), (21, 2920540), (23, 2666580), (28, 2190405), (30, 2044378), (35, 1752324), (42, 1460270), (46, 1333290), (49, 1251660), (60, 1022189), (69, 888860), (70, 876162), (84, 730135), (92, 666645), (98, 625830), (105, 584108), (115, 533316), (138, 444430), (140, 438081), (147, 417220), (161, 380940), (196, 312915), (210, 292054), (230, 266658), (245, 250332), (276, 222215), (294, 208610), (322, 190470), (345, 177772), (420, 146027), (460, 133329), (483, 126980), (490, 125166), (588, 104305), (644, 95235), (690, 88886), (735, 83444), (805, 76188), (907, 67620), (966, 63490), (980, 62583), (1127, 54420), (1380, 44443), (1470, 41722), (1610, 38094), (1814, 33810), (1932, 31745), (2254, 27210), (2415, 25396), (2721, 22540), (2940, 20861), (3220, 19047), (3381, 18140), (3628, 16905), (4508, 13605), (4535, 13524), (4830, 12698), (5442, 11270), (5635, 10884), (6349, 9660), (6762, 9070)]