15818520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2236

約数の個数: 64

約数和(自身を含む): 48255840

約数和(自身を除く): 32437320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2161, 2440, 3660, 4322, 6483, 7320, 8644, 10805, 12966, 17288, 21610, 25932, 32415, 43220, 51864, 64830, 86440, 129660, 131821, 259320, 263642, 395463, 527284, 659105, 790926, 1054568, 1318210, 1581852, 1977315, 2636420, 3163704, 3954630, 5272840, 7909260, 15818520]

約数ペア:

[(1, 15818520), (2, 7909260), (3, 5272840), (4, 3954630), (5, 3163704), (6, 2636420), (8, 1977315), (10, 1581852), (12, 1318210), (15, 1054568), (20, 790926), (24, 659105), (30, 527284), (40, 395463), (60, 263642), (61, 259320), (120, 131821), (122, 129660), (183, 86440), (244, 64830), (305, 51864), (366, 43220), (488, 32415), (610, 25932), (732, 21610), (915, 17288), (1220, 12966), (1464, 10805), (1830, 8644), (2161, 7320), (2440, 6483), (3660, 4322)]