251778060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29761}}^1$

素因数の和:29823

約数の個数: 72

約数和(自身を含む): 780002496

約数和(自身を除く): 528224436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 29761, 59522, 89283, 119044, 148805, 178566, 267849, 297610, 357132, 446415, 535698, 595220, 892830, 1071396, 1339245, 1398767, 1785660, 2678490, 2797534, 4196301, 5356980, 5595068, 6993835, 8392602, 12588903, 13987670, 16785204, 20981505, 25177806, 27975340, 41963010, 50355612, 62944515, 83926020, 125889030, 251778060]

約数ペア:

[(1, 251778060), (2, 125889030), (3, 83926020), (4, 62944515), (5, 50355612), (6, 41963010), (9, 27975340), (10, 25177806), (12, 20981505), (15, 16785204), (18, 13987670), (20, 12588903), (30, 8392602), (36, 6993835), (45, 5595068), (47, 5356980), (60, 4196301), (90, 2797534), (94, 2678490), (141, 1785660), (180, 1398767), (188, 1339245), (235, 1071396), (282, 892830), (423, 595220), (470, 535698), (564, 446415), (705, 357132), (846, 297610), (940, 267849), (1410, 178566), (1692, 148805), (2115, 119044), (2820, 89283), (4230, 59522), (8460, 29761)]