31085880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1653

約数の個数: 128

約数和(自身を含む): 111283200

約数和(自身を除く): 80197320

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, 1609, 1610, 1932, 2415, 2760, 3218, 3220, 3864, 4827, 4830, 6436, 6440, 8045, 9654, 9660, 11263, 12872, 16090, 19308, 19320, 22526, 24135, 32180, 33789, 37007, 38616, 45052, 48270, 56315, 64360, 67578, 74014, 90104, 96540, 111021, 112630, 135156, 148028, 168945, 185035, 193080, 222042, 225260, 259049, 270312, 296056, 337890, 370070, 444084, 450520, 518098, 555105, 675780, 740140, 777147, 888168, 1036196, 1110210, 1295245, 1351560, 1480280, 1554294, 2072392, 2220420, 2590490, 3108588, 3885735, 4440840, 5180980, 6217176, 7771470, 10361960, 15542940, 31085880]

約数ペア:

[(1, 31085880), (2, 15542940), (3, 10361960), (4, 7771470), (5, 6217176), (6, 5180980), (7, 4440840), (8, 3885735), (10, 3108588), (12, 2590490), (14, 2220420), (15, 2072392), (20, 1554294), (21, 1480280), (23, 1351560), (24, 1295245), (28, 1110210), (30, 1036196), (35, 888168), (40, 777147), (42, 740140), (46, 675780), (56, 555105), (60, 518098), (69, 450520), (70, 444084), (84, 370070), (92, 337890), (105, 296056), (115, 270312), (120, 259049), (138, 225260), (140, 222042), (161, 193080), (168, 185035), (184, 168945), (210, 148028), (230, 135156), (276, 112630), (280, 111021), (322, 96540), (345, 90104), (420, 74014), (460, 67578), (483, 64360), (552, 56315), (644, 48270), (690, 45052), (805, 38616), (840, 37007), (920, 33789), (966, 32180), (1288, 24135), (1380, 22526), (1609, 19320), (1610, 19308), (1932, 16090), (2415, 12872), (2760, 11263), (3218, 9660), (3220, 9654), (3864, 8045), (4827, 6440), (4830, 6436)]