1441406080

素因数分解:

$2^7\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3449}}^1$

素因数の和:4121

約数の個数: 64

約数和(自身を含む): 3452139000

約数和(自身を除く): 2010732920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 653, 1306, 2612, 3265, 3449, 5224, 6530, 6898, 10448, 13060, 13796, 17245, 20896, 26120, 27592, 34490, 41792, 52240, 55184, 68980, 83584, 104480, 110368, 137960, 208960, 220736, 275920, 417920, 441472, 551840, 1103680, 2207360, 2252197, 4504394, 9008788, 11260985, 18017576, 22521970, 36035152, 45043940, 72070304, 90087880, 144140608, 180175760, 288281216, 360351520, 720703040, 1441406080]

約数ペア:

[(1, 1441406080), (2, 720703040), (4, 360351520), (5, 288281216), (8, 180175760), (10, 144140608), (16, 90087880), (20, 72070304), (32, 45043940), (40, 36035152), (64, 22521970), (80, 18017576), (128, 11260985), (160, 9008788), (320, 4504394), (640, 2252197), (653, 2207360), (1306, 1103680), (2612, 551840), (3265, 441472), (3449, 417920), (5224, 275920), (6530, 220736), (6898, 208960), (10448, 137960), (13060, 110368), (13796, 104480), (17245, 83584), (20896, 68980), (26120, 55184), (27592, 52240), (34490, 41792)]