81006780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22133}}^1$

素因数の和:22206

約数の個数: 48

約数和(自身を含む): 230547744

約数和(自身を除く): 149540964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 22133, 44266, 66399, 88532, 110665, 132798, 221330, 265596, 331995, 442660, 663990, 1327980, 1350113, 2700226, 4050339, 5400452, 6750565, 8100678, 13501130, 16201356, 20251695, 27002260, 40503390, 81006780]

約数ペア:

[(1, 81006780), (2, 40503390), (3, 27002260), (4, 20251695), (5, 16201356), (6, 13501130), (10, 8100678), (12, 6750565), (15, 5400452), (20, 4050339), (30, 2700226), (60, 1350113), (61, 1327980), (122, 663990), (183, 442660), (244, 331995), (305, 265596), (366, 221330), (610, 132798), (732, 110665), (915, 88532), (1220, 66399), (1830, 44266), (3660, 22133)]