161986740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 470219904

約数和(自身を除く): 308233164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 131, 148, 185, 222, 262, 370, 393, 444, 524, 555, 557, 655, 740, 786, 1110, 1114, 1310, 1572, 1671, 1965, 2220, 2228, 2620, 2785, 3342, 3930, 4847, 5570, 6684, 7860, 8355, 9694, 11140, 14541, 16710, 19388, 20609, 24235, 29082, 33420, 41218, 48470, 58164, 61827, 72705, 72967, 82436, 96940, 103045, 123654, 145410, 145934, 206090, 218901, 247308, 290820, 291868, 309135, 364835, 412180, 437802, 618270, 729670, 875604, 1094505, 1236540, 1459340, 2189010, 2699779, 4378020, 5399558, 8099337, 10799116, 13498895, 16198674, 26997790, 32397348, 40496685, 53995580, 80993370, 161986740]

約数ペア:

[(1, 161986740), (2, 80993370), (3, 53995580), (4, 40496685), (5, 32397348), (6, 26997790), (10, 16198674), (12, 13498895), (15, 10799116), (20, 8099337), (30, 5399558), (37, 4378020), (60, 2699779), (74, 2189010), (111, 1459340), (131, 1236540), (148, 1094505), (185, 875604), (222, 729670), (262, 618270), (370, 437802), (393, 412180), (444, 364835), (524, 309135), (555, 291868), (557, 290820), (655, 247308), (740, 218901), (786, 206090), (1110, 145934), (1114, 145410), (1310, 123654), (1572, 103045), (1671, 96940), (1965, 82436), (2220, 72967), (2228, 72705), (2620, 61827), (2785, 58164), (3342, 48470), (3930, 41218), (4847, 33420), (5570, 29082), (6684, 24235), (7860, 20609), (8355, 19388), (9694, 16710), (11140, 14541)]