641837820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4177}}^1$

素因数の和:4399

約数の個数: 96

約数和(自身を含む): 1945677888

約数和(自身を除く): 1303840068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 260, 390, 394, 591, 780, 788, 985, 1182, 1970, 2364, 2561, 2955, 3940, 4177, 5122, 5910, 7683, 8354, 10244, 11820, 12531, 12805, 15366, 16708, 20885, 25062, 25610, 30732, 38415, 41770, 50124, 51220, 54301, 62655, 76830, 83540, 108602, 125310, 153660, 162903, 217204, 250620, 271505, 325806, 543010, 651612, 814515, 822869, 1086020, 1629030, 1645738, 2468607, 3258060, 3291476, 4114345, 4937214, 8228690, 9874428, 10697297, 12343035, 16457380, 21394594, 24686070, 32091891, 42789188, 49372140, 53486485, 64183782, 106972970, 128367564, 160459455, 213945940, 320918910, 641837820]

約数ペア:

[(1, 641837820), (2, 320918910), (3, 213945940), (4, 160459455), (5, 128367564), (6, 106972970), (10, 64183782), (12, 53486485), (13, 49372140), (15, 42789188), (20, 32091891), (26, 24686070), (30, 21394594), (39, 16457380), (52, 12343035), (60, 10697297), (65, 9874428), (78, 8228690), (130, 4937214), (156, 4114345), (195, 3291476), (197, 3258060), (260, 2468607), (390, 1645738), (394, 1629030), (591, 1086020), (780, 822869), (788, 814515), (985, 651612), (1182, 543010), (1970, 325806), (2364, 271505), (2561, 250620), (2955, 217204), (3940, 162903), (4177, 153660), (5122, 125310), (5910, 108602), (7683, 83540), (8354, 76830), (10244, 62655), (11820, 54301), (12531, 51220), (12805, 50124), (15366, 41770), (16708, 38415), (20885, 30732), (25062, 25610)]