71222480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18169}}^1$

素因数の和:18196

約数の個数: 60

約数和(自身を含む): 192638340

約数和(自身を除く): 121415860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18169, 36338, 72676, 90845, 127183, 145352, 181690, 254366, 290704, 363380, 508732, 635915, 726760, 890281, 1017464, 1271830, 1453520, 1780562, 2034928, 2543660, 3561124, 4451405, 5087320, 7122248, 8902810, 10174640, 14244496, 17805620, 35611240, 71222480]

約数ペア:

[(1, 71222480), (2, 35611240), (4, 17805620), (5, 14244496), (7, 10174640), (8, 8902810), (10, 7122248), (14, 5087320), (16, 4451405), (20, 3561124), (28, 2543660), (35, 2034928), (40, 1780562), (49, 1453520), (56, 1271830), (70, 1017464), (80, 890281), (98, 726760), (112, 635915), (140, 508732), (196, 363380), (245, 290704), (280, 254366), (392, 181690), (490, 145352), (560, 127183), (784, 90845), (980, 72676), (1960, 36338), (3920, 18169)]