242863740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{192749}}^1$

素因数の和:192771

約数の個数: 72

約数和(自身を含む): 841932000

約数和(自身を除く): 599068260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 192749, 385498, 578247, 770996, 963745, 1156494, 1349243, 1734741, 1927490, 2312988, 2698486, 2891235, 3469482, 3854980, 4047729, 5396972, 5782470, 6746215, 6938964, 8095458, 8673705, 11564940, 12143187, 13492430, 16190916, 17347410, 20238645, 24286374, 26984860, 34694820, 40477290, 48572748, 60715935, 80954580, 121431870, 242863740]

約数ペア:

[(1, 242863740), (2, 121431870), (3, 80954580), (4, 60715935), (5, 48572748), (6, 40477290), (7, 34694820), (9, 26984860), (10, 24286374), (12, 20238645), (14, 17347410), (15, 16190916), (18, 13492430), (20, 12143187), (21, 11564940), (28, 8673705), (30, 8095458), (35, 6938964), (36, 6746215), (42, 5782470), (45, 5396972), (60, 4047729), (63, 3854980), (70, 3469482), (84, 2891235), (90, 2698486), (105, 2312988), (126, 1927490), (140, 1734741), (180, 1349243), (210, 1156494), (252, 963745), (315, 770996), (420, 578247), (630, 385498), (1260, 192749)]