81021660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79433}}^1$

素因数の和:79462

約数の個数: 48

約数和(自身を含む): 240208416

約数和(自身を除く): 159186756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79433, 158866, 238299, 317732, 397165, 476598, 794330, 953196, 1191495, 1350361, 1588660, 2382990, 2700722, 4051083, 4765980, 5401444, 6751805, 8102166, 13503610, 16204332, 20255415, 27007220, 40510830, 81021660]

約数ペア:

[(1, 81021660), (2, 40510830), (3, 27007220), (4, 20255415), (5, 16204332), (6, 13503610), (10, 8102166), (12, 6751805), (15, 5401444), (17, 4765980), (20, 4051083), (30, 2700722), (34, 2382990), (51, 1588660), (60, 1350361), (68, 1191495), (85, 953196), (102, 794330), (170, 476598), (204, 397165), (255, 317732), (340, 238299), (510, 158866), (1020, 79433)]