27897720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{607}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 84049920

約数和(自身を除く): 56152200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 607, 766, 1149, 1214, 1532, 1821, 1915, 2298, 2428, 3035, 3064, 3642, 3830, 4596, 4856, 5745, 6070, 7284, 7660, 9105, 9192, 11490, 12140, 14568, 15320, 18210, 22980, 24280, 36420, 45960, 72840, 232481, 464962, 697443, 929924, 1162405, 1394886, 1859848, 2324810, 2789772, 3487215, 4649620, 5579544, 6974430, 9299240, 13948860, 27897720]

約数ペア:

[(1, 27897720), (2, 13948860), (3, 9299240), (4, 6974430), (5, 5579544), (6, 4649620), (8, 3487215), (10, 2789772), (12, 2324810), (15, 1859848), (20, 1394886), (24, 1162405), (30, 929924), (40, 697443), (60, 464962), (120, 232481), (383, 72840), (607, 45960), (766, 36420), (1149, 24280), (1214, 22980), (1532, 18210), (1821, 15320), (1915, 14568), (2298, 12140), (2428, 11490), (3035, 9192), (3064, 9105), (3642, 7660), (3830, 7284), (4596, 6070), (4856, 5745)]