81134640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112687}}^1$

素因数の和:112706

約数の個数: 60

約数和(自身を含む): 272479584

約数和(自身を除く): 191344944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112687, 225374, 338061, 450748, 563435, 676122, 901496, 1014183, 1126870, 1352244, 1690305, 1802992, 2028366, 2253740, 2704488, 3380610, 4056732, 4507480, 5070915, 5408976, 6761220, 8113464, 9014960, 10141830, 13522440, 16226928, 20283660, 27044880, 40567320, 81134640]

約数ペア:

[(1, 81134640), (2, 40567320), (3, 27044880), (4, 20283660), (5, 16226928), (6, 13522440), (8, 10141830), (9, 9014960), (10, 8113464), (12, 6761220), (15, 5408976), (16, 5070915), (18, 4507480), (20, 4056732), (24, 3380610), (30, 2704488), (36, 2253740), (40, 2028366), (45, 1802992), (48, 1690305), (60, 1352244), (72, 1126870), (80, 1014183), (90, 901496), (120, 676122), (144, 563435), (180, 450748), (240, 338061), (360, 225374), (720, 112687)]