1720235820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{7109}}^1$

素因数の和:7267

約数の個数: 96

約数和(自身を含む): 4992926400

約数和(自身を除く): 3272690580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 109, 111, 148, 185, 218, 222, 327, 370, 436, 444, 545, 555, 654, 740, 1090, 1110, 1308, 1635, 2180, 2220, 3270, 4033, 6540, 7109, 8066, 12099, 14218, 16132, 20165, 21327, 24198, 28436, 35545, 40330, 42654, 48396, 60495, 71090, 80660, 85308, 106635, 120990, 142180, 213270, 241980, 263033, 426540, 526066, 774881, 789099, 1052132, 1315165, 1549762, 1578198, 2324643, 2630330, 3099524, 3156396, 3874405, 3945495, 4649286, 5260660, 7748810, 7890990, 9298572, 11623215, 15497620, 15781980, 23246430, 28670597, 46492860, 57341194, 86011791, 114682388, 143352985, 172023582, 286705970, 344047164, 430058955, 573411940, 860117910, 1720235820]

約数ペア:

[(1, 1720235820), (2, 860117910), (3, 573411940), (4, 430058955), (5, 344047164), (6, 286705970), (10, 172023582), (12, 143352985), (15, 114682388), (20, 86011791), (30, 57341194), (37, 46492860), (60, 28670597), (74, 23246430), (109, 15781980), (111, 15497620), (148, 11623215), (185, 9298572), (218, 7890990), (222, 7748810), (327, 5260660), (370, 4649286), (436, 3945495), (444, 3874405), (545, 3156396), (555, 3099524), (654, 2630330), (740, 2324643), (1090, 1578198), (1110, 1549762), (1308, 1315165), (1635, 1052132), (2180, 789099), (2220, 774881), (3270, 526066), (4033, 426540), (6540, 263033), (7109, 241980), (8066, 213270), (12099, 142180), (14218, 120990), (16132, 106635), (20165, 85308), (21327, 80660), (24198, 71090), (28436, 60495), (35545, 48396), (40330, 42654)]