105215940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{887}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 319999680

約数和(自身を除く): 214783740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 659, 887, 1318, 1774, 1977, 2636, 2661, 3295, 3548, 3954, 4435, 5322, 5931, 6590, 7908, 7983, 8870, 9885, 10644, 11862, 13180, 13305, 15966, 17740, 19770, 23724, 26610, 29655, 31932, 39540, 39915, 53220, 59310, 79830, 118620, 159660, 584533, 1169066, 1753599, 2338132, 2922665, 3507198, 5260797, 5845330, 7014396, 8767995, 10521594, 11690660, 17535990, 21043188, 26303985, 35071980, 52607970, 105215940]

約数ペア:

[(1, 105215940), (2, 52607970), (3, 35071980), (4, 26303985), (5, 21043188), (6, 17535990), (9, 11690660), (10, 10521594), (12, 8767995), (15, 7014396), (18, 5845330), (20, 5260797), (30, 3507198), (36, 2922665), (45, 2338132), (60, 1753599), (90, 1169066), (180, 584533), (659, 159660), (887, 118620), (1318, 79830), (1774, 59310), (1977, 53220), (2636, 39915), (2661, 39540), (3295, 31932), (3548, 29655), (3954, 26610), (4435, 23724), (5322, 19770), (5931, 17740), (6590, 15966), (7908, 13305), (7983, 13180), (8870, 11862), (9885, 10644)]