64973860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 160284096

約数和(自身を除く): 95310236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 251, 301, 430, 502, 602, 860, 1004, 1204, 1255, 1505, 1757, 1849, 2510, 3010, 3514, 3698, 5020, 6020, 7028, 7396, 8785, 9245, 10793, 12943, 17570, 18490, 21586, 25886, 35140, 36980, 43172, 51772, 53965, 64715, 75551, 107930, 129430, 151102, 215860, 258860, 302204, 377755, 464099, 755510, 928198, 1511020, 1856396, 2320495, 3248693, 4640990, 6497386, 9281980, 12994772, 16243465, 32486930, 64973860]

約数ペア:

[(1, 64973860), (2, 32486930), (4, 16243465), (5, 12994772), (7, 9281980), (10, 6497386), (14, 4640990), (20, 3248693), (28, 2320495), (35, 1856396), (43, 1511020), (70, 928198), (86, 755510), (140, 464099), (172, 377755), (215, 302204), (251, 258860), (301, 215860), (430, 151102), (502, 129430), (602, 107930), (860, 75551), (1004, 64715), (1204, 53965), (1255, 51772), (1505, 43172), (1757, 36980), (1849, 35140), (2510, 25886), (3010, 21586), (3514, 18490), (3698, 17570), (5020, 12943), (6020, 10793), (7028, 9245), (7396, 8785)]