72781308

素因数分解:

$2^2\times 3^3\times {\mathrm{743}}^1\times {\mathrm{907}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 189154560

約数和(自身を除く): 116373252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 743, 907, 1486, 1814, 2229, 2721, 2972, 3628, 4458, 5442, 6687, 8163, 8916, 10884, 13374, 16326, 20061, 24489, 26748, 32652, 40122, 48978, 80244, 97956, 673901, 1347802, 2021703, 2695604, 4043406, 6065109, 8086812, 12130218, 18195327, 24260436, 36390654, 72781308]

約数ペア:

[(1, 72781308), (2, 36390654), (3, 24260436), (4, 18195327), (6, 12130218), (9, 8086812), (12, 6065109), (18, 4043406), (27, 2695604), (36, 2021703), (54, 1347802), (108, 673901), (743, 97956), (907, 80244), (1486, 48978), (1814, 40122), (2229, 32652), (2721, 26748), (2972, 24489), (3628, 20061), (4458, 16326), (5442, 13374), (6687, 10884), (8163, 8916)]