77801640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4027}}^1$

素因数の和:4071

約数の個数: 128

約数和(自身を含む): 278415360

約数和(自身を除く): 200613720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4027, 4830, 6440, 8054, 9660, 12081, 16108, 19320, 20135, 24162, 28189, 32216, 40270, 48324, 56378, 60405, 80540, 84567, 92621, 96648, 112756, 120810, 140945, 161080, 169134, 185242, 225512, 241620, 277863, 281890, 338268, 370484, 422835, 463105, 483240, 555726, 563780, 648347, 676536, 740968, 845670, 926210, 1111452, 1127560, 1296694, 1389315, 1691340, 1852420, 1945041, 2222904, 2593388, 2778630, 3241735, 3382680, 3704840, 3890082, 5186776, 5557260, 6483470, 7780164, 9725205, 11114520, 12966940, 15560328, 19450410, 25933880, 38900820, 77801640]

約数ペア:

[(1, 77801640), (2, 38900820), (3, 25933880), (4, 19450410), (5, 15560328), (6, 12966940), (7, 11114520), (8, 9725205), (10, 7780164), (12, 6483470), (14, 5557260), (15, 5186776), (20, 3890082), (21, 3704840), (23, 3382680), (24, 3241735), (28, 2778630), (30, 2593388), (35, 2222904), (40, 1945041), (42, 1852420), (46, 1691340), (56, 1389315), (60, 1296694), (69, 1127560), (70, 1111452), (84, 926210), (92, 845670), (105, 740968), (115, 676536), (120, 648347), (138, 563780), (140, 555726), (161, 483240), (168, 463105), (184, 422835), (210, 370484), (230, 338268), (276, 281890), (280, 277863), (322, 241620), (345, 225512), (420, 185242), (460, 169134), (483, 161080), (552, 140945), (644, 120810), (690, 112756), (805, 96648), (840, 92621), (920, 84567), (966, 80540), (1288, 60405), (1380, 56378), (1610, 48324), (1932, 40270), (2415, 32216), (2760, 28189), (3220, 24162), (3864, 20135), (4027, 19320), (4830, 16108), (6440, 12081), (8054, 9660)]