84815920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 226556928

約数和(自身を除く): 141741008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 487, 560, 622, 974, 1244, 1555, 1948, 2177, 2435, 2488, 3110, 3409, 3896, 4354, 4870, 4976, 6220, 6818, 7792, 8708, 9740, 10885, 12440, 13636, 17045, 17416, 19480, 21770, 24880, 27272, 34090, 34832, 38960, 43540, 54544, 68180, 87080, 136360, 151457, 174160, 272720, 302914, 605828, 757285, 1060199, 1211656, 1514570, 2120398, 2423312, 3029140, 4240796, 5300995, 6058280, 8481592, 10601990, 12116560, 16963184, 21203980, 42407960, 84815920]

約数ペア:

[(1, 84815920), (2, 42407960), (4, 21203980), (5, 16963184), (7, 12116560), (8, 10601990), (10, 8481592), (14, 6058280), (16, 5300995), (20, 4240796), (28, 3029140), (35, 2423312), (40, 2120398), (56, 1514570), (70, 1211656), (80, 1060199), (112, 757285), (140, 605828), (280, 302914), (311, 272720), (487, 174160), (560, 151457), (622, 136360), (974, 87080), (1244, 68180), (1555, 54544), (1948, 43540), (2177, 38960), (2435, 34832), (2488, 34090), (3110, 27272), (3409, 24880), (3896, 21770), (4354, 19480), (4870, 17416), (4976, 17045), (6220, 13636), (6818, 12440), (7792, 10885), (8708, 9740)]