15639040

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 38669400

約数和(自身を除く): 23030360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 149, 160, 164, 205, 256, 298, 320, 328, 410, 512, 596, 640, 656, 745, 820, 1192, 1280, 1312, 1490, 1640, 2384, 2560, 2624, 2980, 3280, 4768, 5248, 5960, 6109, 6560, 9536, 10496, 11920, 12218, 13120, 19072, 20992, 23840, 24436, 26240, 30545, 38144, 47680, 48872, 52480, 61090, 76288, 95360, 97744, 104960, 122180, 190720, 195488, 244360, 381440, 390976, 488720, 781952, 977440, 1563904, 1954880, 3127808, 3909760, 7819520, 15639040]

約数ペア:

[(1, 15639040), (2, 7819520), (4, 3909760), (5, 3127808), (8, 1954880), (10, 1563904), (16, 977440), (20, 781952), (32, 488720), (40, 390976), (41, 381440), (64, 244360), (80, 195488), (82, 190720), (128, 122180), (149, 104960), (160, 97744), (164, 95360), (205, 76288), (256, 61090), (298, 52480), (320, 48872), (328, 47680), (410, 38144), (512, 30545), (596, 26240), (640, 24436), (656, 23840), (745, 20992), (820, 19072), (1192, 13120), (1280, 12218), (1312, 11920), (1490, 10496), (1640, 9536), (2384, 6560), (2560, 6109), (2624, 5960), (2980, 5248), (3280, 4768)]