68560740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20081

約数の個数: 72

約数和(自身を含む): 218924160

約数和(自身を除く): 150363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20047, 40094, 60141, 80188, 100235, 120282, 180423, 200470, 240564, 300705, 360846, 380893, 400940, 601410, 721692, 761786, 902115, 1142679, 1202820, 1523572, 1804230, 1904465, 2285358, 3428037, 3608460, 3808930, 4570716, 5713395, 6856074, 7617860, 11426790, 13712148, 17140185, 22853580, 34280370, 68560740]

約数ペア:

[(1, 68560740), (2, 34280370), (3, 22853580), (4, 17140185), (5, 13712148), (6, 11426790), (9, 7617860), (10, 6856074), (12, 5713395), (15, 4570716), (18, 3808930), (19, 3608460), (20, 3428037), (30, 2285358), (36, 1904465), (38, 1804230), (45, 1523572), (57, 1202820), (60, 1142679), (76, 902115), (90, 761786), (95, 721692), (114, 601410), (171, 400940), (180, 380893), (190, 360846), (228, 300705), (285, 240564), (342, 200470), (380, 180423), (570, 120282), (684, 100235), (855, 80188), (1140, 60141), (1710, 40094), (3420, 20047)]