15387890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 34193664

約数和(自身を除く): 18805774

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 67, 70, 85, 119, 134, 170, 193, 238, 335, 386, 469, 595, 670, 938, 965, 1139, 1190, 1351, 1930, 2278, 2345, 2702, 3281, 4690, 5695, 6562, 6755, 7973, 11390, 12931, 13510, 15946, 16405, 22967, 25862, 32810, 39865, 45934, 64655, 79730, 90517, 114835, 129310, 181034, 219827, 229670, 439654, 452585, 905170, 1099135, 1538789, 2198270, 3077578, 7693945, 15387890]

約数ペア:

[(1, 15387890), (2, 7693945), (5, 3077578), (7, 2198270), (10, 1538789), (14, 1099135), (17, 905170), (34, 452585), (35, 439654), (67, 229670), (70, 219827), (85, 181034), (119, 129310), (134, 114835), (170, 90517), (193, 79730), (238, 64655), (335, 45934), (386, 39865), (469, 32810), (595, 25862), (670, 22967), (938, 16405), (965, 15946), (1139, 13510), (1190, 12931), (1351, 11390), (1930, 7973), (2278, 6755), (2345, 6562), (2702, 5695), (3281, 4690)]