312735780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248203}}^1$

素因数の和:248225

約数の個数: 72

約数和(自身を含む): 1084155072

約数和(自身を除く): 771419292

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, 248203, 496406, 744609, 992812, 1241015, 1489218, 1737421, 2233827, 2482030, 2978436, 3474842, 3723045, 4467654, 4964060, 5212263, 6949684, 7446090, 8687105, 8935308, 10424526, 11169135, 14892180, 15636789, 17374210, 20849052, 22338270, 26061315, 31273578, 34748420, 44676540, 52122630, 62547156, 78183945, 104245260, 156367890, 312735780]

約数ペア:

[(1, 312735780), (2, 156367890), (3, 104245260), (4, 78183945), (5, 62547156), (6, 52122630), (7, 44676540), (9, 34748420), (10, 31273578), (12, 26061315), (14, 22338270), (15, 20849052), (18, 17374210), (20, 15636789), (21, 14892180), (28, 11169135), (30, 10424526), (35, 8935308), (36, 8687105), (42, 7446090), (45, 6949684), (60, 5212263), (63, 4964060), (70, 4467654), (84, 3723045), (90, 3474842), (105, 2978436), (126, 2482030), (140, 2233827), (180, 1737421), (210, 1489218), (252, 1241015), (315, 992812), (420, 744609), (630, 496406), (1260, 248203)]