65428860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155783}}^1$

素因数の和:155802

約数の個数: 48

約数和(自身を含む): 209373696

約数和(自身を除く): 143944836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 155783, 311566, 467349, 623132, 778915, 934698, 1090481, 1557830, 1869396, 2180962, 2336745, 3115660, 3271443, 4361924, 4673490, 5452405, 6542886, 9346980, 10904810, 13085772, 16357215, 21809620, 32714430, 65428860]

約数ペア:

[(1, 65428860), (2, 32714430), (3, 21809620), (4, 16357215), (5, 13085772), (6, 10904810), (7, 9346980), (10, 6542886), (12, 5452405), (14, 4673490), (15, 4361924), (20, 3271443), (21, 3115660), (28, 2336745), (30, 2180962), (35, 1869396), (42, 1557830), (60, 1090481), (70, 934698), (84, 778915), (105, 623132), (140, 467349), (210, 311566), (420, 155783)]