15390620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 22348900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2339, 3290, 4678, 6580, 9356, 11695, 16373, 23390, 32746, 46780, 65492, 81865, 109933, 163730, 219866, 327460, 439732, 549665, 769531, 1099330, 1539062, 2198660, 3078124, 3847655, 7695310, 15390620]

約数ペア:

[(1, 15390620), (2, 7695310), (4, 3847655), (5, 3078124), (7, 2198660), (10, 1539062), (14, 1099330), (20, 769531), (28, 549665), (35, 439732), (47, 327460), (70, 219866), (94, 163730), (140, 109933), (188, 81865), (235, 65492), (329, 46780), (470, 32746), (658, 23390), (940, 16373), (1316, 11695), (1645, 9356), (2339, 6580), (3290, 4678)]