207968520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28411}}^1$

素因数の和:28486

約数の個数: 64

約数和(自身を含む): 634155840

約数和(自身を除く): 426187320

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, 2440, 3660, 7320, 28411, 56822, 85233, 113644, 142055, 170466, 227288, 284110, 340932, 426165, 568220, 681864, 852330, 1136440, 1704660, 1733071, 3409320, 3466142, 5199213, 6932284, 8665355, 10398426, 13864568, 17330710, 20796852, 25996065, 34661420, 41593704, 51992130, 69322840, 103984260, 207968520]

約数ペア:

[(1, 207968520), (2, 103984260), (3, 69322840), (4, 51992130), (5, 41593704), (6, 34661420), (8, 25996065), (10, 20796852), (12, 17330710), (15, 13864568), (20, 10398426), (24, 8665355), (30, 6932284), (40, 5199213), (60, 3466142), (61, 3409320), (120, 1733071), (122, 1704660), (183, 1136440), (244, 852330), (305, 681864), (366, 568220), (488, 426165), (610, 340932), (732, 284110), (915, 227288), (1220, 170466), (1464, 142055), (1830, 113644), (2440, 85233), (3660, 56822), (7320, 28411)]