401208480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{278617}}^1$

素因数の和:278638

約数の個数: 72

約数和(自身を含む): 1369128852

約数和(自身を除く): 967920372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 278617, 557234, 835851, 1114468, 1393085, 1671702, 2228936, 2507553, 2786170, 3343404, 4179255, 4457872, 5015106, 5572340, 6686808, 8358510, 8915744, 10030212, 11144680, 12537765, 13373616, 16717020, 20060424, 22289360, 25075530, 26747232, 33434040, 40120848, 44578720, 50151060, 66868080, 80241696, 100302120, 133736160, 200604240, 401208480]

約数ペア:

[(1, 401208480), (2, 200604240), (3, 133736160), (4, 100302120), (5, 80241696), (6, 66868080), (8, 50151060), (9, 44578720), (10, 40120848), (12, 33434040), (15, 26747232), (16, 25075530), (18, 22289360), (20, 20060424), (24, 16717020), (30, 13373616), (32, 12537765), (36, 11144680), (40, 10030212), (45, 8915744), (48, 8358510), (60, 6686808), (72, 5572340), (80, 5015106), (90, 4457872), (96, 4179255), (120, 3343404), (144, 2786170), (160, 2507553), (180, 2228936), (240, 1671702), (288, 1393085), (360, 1114468), (480, 835851), (720, 557234), (1440, 278617)]