15721938460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{31033}}^1$

素因数の和:31462

約数の個数: 48

約数和(自身を含む): 33565877856

約数和(自身を除く): 17843939396

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 347, 365, 694, 730, 1388, 1460, 1735, 3470, 6940, 25331, 31033, 50662, 62066, 101324, 124132, 126655, 155165, 253310, 310330, 506620, 620660, 2265409, 4530818, 9061636, 10768451, 11327045, 21536902, 22654090, 43073804, 45308180, 53842255, 107684510, 215369020, 786096923, 1572193846, 3144387692, 3930484615, 7860969230, 15721938460]

約数ペア:

[(1, 15721938460), (2, 7860969230), (4, 3930484615), (5, 3144387692), (10, 1572193846), (20, 786096923), (73, 215369020), (146, 107684510), (292, 53842255), (347, 45308180), (365, 43073804), (694, 22654090), (730, 21536902), (1388, 11327045), (1460, 10768451), (1735, 9061636), (3470, 4530818), (6940, 2265409), (25331, 620660), (31033, 506620), (50662, 310330), (62066, 253310), (101324, 155165), (124132, 126655)]