17990431380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{786983}}^1$

素因数の和:787125

約数の個数: 72

約数和(自身を含む): 55000737792

約数和(自身を除く): 37010306412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 786983, 1573966, 2360949, 3147932, 3934915, 4721898, 7082847, 7869830, 9443796, 11804745, 14165694, 15739660, 23609490, 28331388, 35414235, 47218980, 70828470, 99946841, 141656940, 199893682, 299840523, 399787364, 499734205, 599681046, 899521569, 999468410, 1199362092, 1499202615, 1799043138, 1998936820, 2998405230, 3598086276, 4497607845, 5996810460, 8995215690, 17990431380]

約数ペア:

[(1, 17990431380), (2, 8995215690), (3, 5996810460), (4, 4497607845), (5, 3598086276), (6, 2998405230), (9, 1998936820), (10, 1799043138), (12, 1499202615), (15, 1199362092), (18, 999468410), (20, 899521569), (30, 599681046), (36, 499734205), (45, 399787364), (60, 299840523), (90, 199893682), (127, 141656940), (180, 99946841), (254, 70828470), (381, 47218980), (508, 35414235), (635, 28331388), (762, 23609490), (1143, 15739660), (1270, 14165694), (1524, 11804745), (1905, 9443796), (2286, 7869830), (2540, 7082847), (3810, 4721898), (4572, 3934915), (5715, 3147932), (7620, 2360949), (11430, 1573966), (22860, 786983)]