4078260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 12536160

約数和(自身を除く): 8457900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 163, 180, 278, 326, 417, 489, 556, 652, 695, 815, 834, 978, 1251, 1390, 1467, 1630, 1668, 1956, 2085, 2445, 2502, 2780, 2934, 3260, 4170, 4890, 5004, 5868, 6255, 7335, 8340, 9780, 12510, 14670, 22657, 25020, 29340, 45314, 67971, 90628, 113285, 135942, 203913, 226570, 271884, 339855, 407826, 453140, 679710, 815652, 1019565, 1359420, 2039130, 4078260]

約数ペア:

[(1, 4078260), (2, 2039130), (3, 1359420), (4, 1019565), (5, 815652), (6, 679710), (9, 453140), (10, 407826), (12, 339855), (15, 271884), (18, 226570), (20, 203913), (30, 135942), (36, 113285), (45, 90628), (60, 67971), (90, 45314), (139, 29340), (163, 25020), (180, 22657), (278, 14670), (326, 12510), (417, 9780), (489, 8340), (556, 7335), (652, 6255), (695, 5868), (815, 5004), (834, 4890), (978, 4170), (1251, 3260), (1390, 2934), (1467, 2780), (1630, 2502), (1668, 2445), (1956, 2085)]