257042520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{102001}}^1$

素因数の和:102025

約数の個数: 96

約数和(自身を含む): 954738720

約数和(自身を除く): 697696200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 102001, 204002, 306003, 408004, 510005, 612006, 714007, 816008, 918009, 1020010, 1224012, 1428014, 1530015, 1836018, 2040020, 2142021, 2448024, 2856028, 3060030, 3570035, 3672036, 4080040, 4284042, 4590045, 5712056, 6120060, 6426063, 7140070, 7344072, 8568084, 9180090, 10710105, 12240120, 12852126, 14280140, 17136168, 18360180, 21420210, 25704252, 28560280, 32130315, 36720360, 42840420, 51408504, 64260630, 85680840, 128521260, 257042520]

約数ペア:

[(1, 257042520), (2, 128521260), (3, 85680840), (4, 64260630), (5, 51408504), (6, 42840420), (7, 36720360), (8, 32130315), (9, 28560280), (10, 25704252), (12, 21420210), (14, 18360180), (15, 17136168), (18, 14280140), (20, 12852126), (21, 12240120), (24, 10710105), (28, 9180090), (30, 8568084), (35, 7344072), (36, 7140070), (40, 6426063), (42, 6120060), (45, 5712056), (56, 4590045), (60, 4284042), (63, 4080040), (70, 3672036), (72, 3570035), (84, 3060030), (90, 2856028), (105, 2448024), (120, 2142021), (126, 2040020), (140, 1836018), (168, 1530015), (180, 1428014), (210, 1224012), (252, 1020010), (280, 918009), (315, 816008), (360, 714007), (420, 612006), (504, 510005), (630, 408004), (840, 306003), (1260, 204002), (2520, 102001)]