25612680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3499}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 78120000

約数和(自身を除く): 52507320

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, 3499, 3660, 6998, 7320, 10497, 13996, 17495, 20994, 27992, 34990, 41988, 52485, 69980, 83976, 104970, 139960, 209940, 213439, 419880, 426878, 640317, 853756, 1067195, 1280634, 1707512, 2134390, 2561268, 3201585, 4268780, 5122536, 6403170, 8537560, 12806340, 25612680]

約数ペア:

[(1, 25612680), (2, 12806340), (3, 8537560), (4, 6403170), (5, 5122536), (6, 4268780), (8, 3201585), (10, 2561268), (12, 2134390), (15, 1707512), (20, 1280634), (24, 1067195), (30, 853756), (40, 640317), (60, 426878), (61, 419880), (120, 213439), (122, 209940), (183, 139960), (244, 104970), (305, 83976), (366, 69980), (488, 52485), (610, 41988), (732, 34990), (915, 27992), (1220, 20994), (1464, 17495), (1830, 13996), (2440, 10497), (3499, 7320), (3660, 6998)]