218660940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15377}}^1$

素因数の和:15471

約数の個数: 72

約数和(自身を含む): 671711040

約数和(自身を除く): 453050100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 15377, 30754, 46131, 61508, 76885, 92262, 138393, 153770, 184524, 230655, 276786, 307540, 461310, 553572, 691965, 922620, 1214783, 1383930, 2429566, 2767860, 3644349, 4859132, 6073915, 7288698, 10933047, 12147830, 14577396, 18221745, 21866094, 24295660, 36443490, 43732188, 54665235, 72886980, 109330470, 218660940]

約数ペア:

[(1, 218660940), (2, 109330470), (3, 72886980), (4, 54665235), (5, 43732188), (6, 36443490), (9, 24295660), (10, 21866094), (12, 18221745), (15, 14577396), (18, 12147830), (20, 10933047), (30, 7288698), (36, 6073915), (45, 4859132), (60, 3644349), (79, 2767860), (90, 2429566), (158, 1383930), (180, 1214783), (237, 922620), (316, 691965), (395, 553572), (474, 461310), (711, 307540), (790, 276786), (948, 230655), (1185, 184524), (1422, 153770), (1580, 138393), (2370, 92262), (2844, 76885), (3555, 61508), (4740, 46131), (7110, 30754), (14220, 15377)]