166666320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{231481}}^1$

素因数の和:231500

約数の個数: 60

約数和(自身を含む): 559723476

約数和(自身を除く): 393057156

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 231481, 462962, 694443, 925924, 1157405, 1388886, 1851848, 2083329, 2314810, 2777772, 3472215, 3703696, 4166658, 4629620, 5555544, 6944430, 8333316, 9259240, 10416645, 11111088, 13888860, 16666632, 18518480, 20833290, 27777720, 33333264, 41666580, 55555440, 83333160, 166666320]

約数ペア:

[(1, 166666320), (2, 83333160), (3, 55555440), (4, 41666580), (5, 33333264), (6, 27777720), (8, 20833290), (9, 18518480), (10, 16666632), (12, 13888860), (15, 11111088), (16, 10416645), (18, 9259240), (20, 8333316), (24, 6944430), (30, 5555544), (36, 4629620), (40, 4166658), (45, 3703696), (48, 3472215), (60, 2777772), (72, 2314810), (80, 2083329), (90, 1851848), (120, 1388886), (144, 1157405), (180, 925924), (240, 694443), (360, 462962), (720, 231481)]