79178220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39989}}^1$

素因数の和:40015

約数の個数: 72

約数和(自身を含む): 262014480

約数和(自身を除く): 182836260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 39989, 79978, 119967, 159956, 199945, 239934, 359901, 399890, 439879, 479868, 599835, 719802, 799780, 879758, 1199670, 1319637, 1439604, 1759516, 1799505, 2199395, 2399340, 2639274, 3599010, 3958911, 4398790, 5278548, 6598185, 7198020, 7917822, 8797580, 13196370, 15835644, 19794555, 26392740, 39589110, 79178220]

約数ペア:

[(1, 79178220), (2, 39589110), (3, 26392740), (4, 19794555), (5, 15835644), (6, 13196370), (9, 8797580), (10, 7917822), (11, 7198020), (12, 6598185), (15, 5278548), (18, 4398790), (20, 3958911), (22, 3599010), (30, 2639274), (33, 2399340), (36, 2199395), (44, 1799505), (45, 1759516), (55, 1439604), (60, 1319637), (66, 1199670), (90, 879758), (99, 799780), (110, 719802), (132, 599835), (165, 479868), (180, 439879), (198, 399890), (220, 359901), (330, 239934), (396, 199945), (495, 159956), (660, 119967), (990, 79978), (1980, 39989)]