247558920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1543}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 853770240

約数和(自身を除く): 606211320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 573, 764, 840, 955, 1146, 1337, 1528, 1543, 1910, 2292, 2674, 2865, 3086, 3820, 4011, 4584, 4629, 5348, 5730, 6172, 6685, 7640, 7715, 8022, 9258, 10696, 10801, 11460, 12344, 13370, 15430, 16044, 18516, 20055, 21602, 22920, 23145, 26740, 30860, 32088, 32403, 37032, 40110, 43204, 46290, 53480, 54005, 61720, 64806, 80220, 86408, 92580, 108010, 129612, 160440, 162015, 185160, 216020, 259224, 294713, 324030, 432040, 589426, 648060, 884139, 1178852, 1296120, 1473565, 1768278, 2062991, 2357704, 2947130, 3536556, 4125982, 4420695, 5894260, 6188973, 7073112, 8251964, 8841390, 10314955, 11788520, 12377946, 16503928, 17682780, 20629910, 24755892, 30944865, 35365560, 41259820, 49511784, 61889730, 82519640, 123779460, 247558920]

約数ペア:

[(1, 247558920), (2, 123779460), (3, 82519640), (4, 61889730), (5, 49511784), (6, 41259820), (7, 35365560), (8, 30944865), (10, 24755892), (12, 20629910), (14, 17682780), (15, 16503928), (20, 12377946), (21, 11788520), (24, 10314955), (28, 8841390), (30, 8251964), (35, 7073112), (40, 6188973), (42, 5894260), (56, 4420695), (60, 4125982), (70, 3536556), (84, 2947130), (105, 2357704), (120, 2062991), (140, 1768278), (168, 1473565), (191, 1296120), (210, 1178852), (280, 884139), (382, 648060), (420, 589426), (573, 432040), (764, 324030), (840, 294713), (955, 259224), (1146, 216020), (1337, 185160), (1528, 162015), (1543, 160440), (1910, 129612), (2292, 108010), (2674, 92580), (2865, 86408), (3086, 80220), (3820, 64806), (4011, 61720), (4584, 54005), (4629, 53480), (5348, 46290), (5730, 43204), (6172, 40110), (6685, 37032), (7640, 32403), (7715, 32088), (8022, 30860), (9258, 26740), (10696, 23145), (10801, 22920), (11460, 21602), (12344, 20055), (13370, 18516), (15430, 16044)]