31438260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{8317}}^1$

素因数の和:8342

約数の個数: 96

約数和(自身を含む): 111793920

約数和(自身を除く): 80355660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 8317, 16634, 24951, 33268, 41585, 49902, 58219, 74853, 83170, 99804, 116438, 124755, 149706, 166340, 174657, 224559, 232876, 249510, 291095, 299412, 349314, 374265, 449118, 499020, 523971, 582190, 698628, 748530, 873285, 898236, 1047942, 1122795, 1164380, 1497060, 1571913, 1746570, 2095884, 2245590, 2619855, 3143826, 3493140, 4491180, 5239710, 6287652, 7859565, 10479420, 15719130, 31438260]

約数ペア:

[(1, 31438260), (2, 15719130), (3, 10479420), (4, 7859565), (5, 6287652), (6, 5239710), (7, 4491180), (9, 3493140), (10, 3143826), (12, 2619855), (14, 2245590), (15, 2095884), (18, 1746570), (20, 1571913), (21, 1497060), (27, 1164380), (28, 1122795), (30, 1047942), (35, 898236), (36, 873285), (42, 748530), (45, 698628), (54, 582190), (60, 523971), (63, 499020), (70, 449118), (84, 374265), (90, 349314), (105, 299412), (108, 291095), (126, 249510), (135, 232876), (140, 224559), (180, 174657), (189, 166340), (210, 149706), (252, 124755), (270, 116438), (315, 99804), (378, 83170), (420, 74853), (540, 58219), (630, 49902), (756, 41585), (945, 33268), (1260, 24951), (1890, 16634), (3780, 8317)]