206816520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90709}}^1$

素因数の和:90742

約数の個数: 64

約数和(自身を含む): 653112000

約数和(自身を除く): 446295480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 90709, 181418, 272127, 362836, 453545, 544254, 725672, 907090, 1088508, 1360635, 1723471, 1814180, 2177016, 2721270, 3446942, 3628360, 5170413, 5442540, 6893884, 8617355, 10340826, 10885080, 13787768, 17234710, 20681652, 25852065, 34469420, 41363304, 51704130, 68938840, 103408260, 206816520]

約数ペア:

[(1, 206816520), (2, 103408260), (3, 68938840), (4, 51704130), (5, 41363304), (6, 34469420), (8, 25852065), (10, 20681652), (12, 17234710), (15, 13787768), (19, 10885080), (20, 10340826), (24, 8617355), (30, 6893884), (38, 5442540), (40, 5170413), (57, 3628360), (60, 3446942), (76, 2721270), (95, 2177016), (114, 1814180), (120, 1723471), (152, 1360635), (190, 1088508), (228, 907090), (285, 725672), (380, 544254), (456, 453545), (570, 362836), (760, 272127), (1140, 181418), (2280, 90709)]