69638220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5449}}^1$

素因数の和:5535

約数の個数: 72

約数和(自身を含む): 214250400

約数和(自身を除く): 144612180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5449, 6390, 10898, 12780, 16347, 21796, 27245, 32694, 49041, 54490, 65388, 81735, 98082, 108980, 163470, 196164, 245205, 326940, 386879, 490410, 773758, 980820, 1160637, 1547516, 1934395, 2321274, 3481911, 3868790, 4642548, 5803185, 6963822, 7737580, 11606370, 13927644, 17409555, 23212740, 34819110, 69638220]

約数ペア:

[(1, 69638220), (2, 34819110), (3, 23212740), (4, 17409555), (5, 13927644), (6, 11606370), (9, 7737580), (10, 6963822), (12, 5803185), (15, 4642548), (18, 3868790), (20, 3481911), (30, 2321274), (36, 1934395), (45, 1547516), (60, 1160637), (71, 980820), (90, 773758), (142, 490410), (180, 386879), (213, 326940), (284, 245205), (355, 196164), (426, 163470), (639, 108980), (710, 98082), (852, 81735), (1065, 65388), (1278, 54490), (1420, 49041), (2130, 32694), (2556, 27245), (3195, 21796), (4260, 16347), (5449, 12780), (6390, 10898)]