644105103680

素因数分解:

$2^6\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1844939}}^1$

素因数の和:1846047

約数の個数: 56

約数和(自身を含む): 1535181953760

約数和(自身を除く): 891076850080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1091, 2182, 4364, 5455, 8728, 10910, 17456, 21820, 34912, 43640, 69824, 87280, 174560, 349120, 1844939, 3689878, 7379756, 9224695, 14759512, 18449390, 29519024, 36898780, 59038048, 73797560, 118076096, 147595120, 295190240, 590380480, 2012828449, 4025656898, 8051313796, 10064142245, 16102627592, 20128284490, 32205255184, 40256568980, 64410510368, 80513137960, 128821020736, 161026275920, 322052551840, 644105103680]

約数ペア:

[(1, 644105103680), (2, 322052551840), (4, 161026275920), (5, 128821020736), (8, 80513137960), (10, 64410510368), (16, 40256568980), (20, 32205255184), (32, 20128284490), (40, 16102627592), (64, 10064142245), (80, 8051313796), (160, 4025656898), (320, 2012828449), (1091, 590380480), (2182, 295190240), (4364, 147595120), (5455, 118076096), (8728, 73797560), (10910, 59038048), (17456, 36898780), (21820, 29519024), (34912, 18449390), (43640, 14759512), (69824, 9224695), (87280, 7379756), (174560, 3689878), (349120, 1844939)]