27779580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 84887712

約数和(自身を除く): 57108132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 983, 1413, 1570, 1884, 1966, 2355, 2826, 2949, 3140, 3932, 4710, 4915, 5652, 5898, 7065, 8847, 9420, 9830, 11796, 14130, 14745, 17694, 19660, 28260, 29490, 35388, 44235, 58980, 88470, 154331, 176940, 308662, 462993, 617324, 771655, 925986, 1388979, 1543310, 1851972, 2314965, 2777958, 3086620, 4629930, 5555916, 6944895, 9259860, 13889790, 27779580]

約数ペア:

[(1, 27779580), (2, 13889790), (3, 9259860), (4, 6944895), (5, 5555916), (6, 4629930), (9, 3086620), (10, 2777958), (12, 2314965), (15, 1851972), (18, 1543310), (20, 1388979), (30, 925986), (36, 771655), (45, 617324), (60, 462993), (90, 308662), (157, 176940), (180, 154331), (314, 88470), (471, 58980), (628, 44235), (785, 35388), (942, 29490), (983, 28260), (1413, 19660), (1570, 17694), (1884, 14745), (1966, 14130), (2355, 11796), (2826, 9830), (2949, 9420), (3140, 8847), (3932, 7065), (4710, 5898), (4915, 5652)]