102578680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{601}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 245760480

約数和(自身を除く): 143181800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 251, 340, 502, 601, 680, 1004, 1202, 1255, 2008, 2404, 2510, 3005, 4267, 4808, 5020, 6010, 8534, 10040, 10217, 12020, 17068, 20434, 21335, 24040, 34136, 40868, 42670, 51085, 81736, 85340, 102170, 150851, 170680, 204340, 301702, 408680, 603404, 754255, 1206808, 1508510, 2564467, 3017020, 5128934, 6034040, 10257868, 12822335, 20515736, 25644670, 51289340, 102578680]

約数ペア:

[(1, 102578680), (2, 51289340), (4, 25644670), (5, 20515736), (8, 12822335), (10, 10257868), (17, 6034040), (20, 5128934), (34, 3017020), (40, 2564467), (68, 1508510), (85, 1206808), (136, 754255), (170, 603404), (251, 408680), (340, 301702), (502, 204340), (601, 170680), (680, 150851), (1004, 102170), (1202, 85340), (1255, 81736), (2008, 51085), (2404, 42670), (2510, 40868), (3005, 34136), (4267, 24040), (4808, 21335), (5020, 20434), (6010, 17068), (8534, 12020), (10040, 10217)]