78406440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3011}}^1$

素因数の和:3063

約数の個数: 128

約数和(自身を含む): 277585920

約数和(自身を除く): 199179480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3011, 3255, 3720, 4340, 5208, 6022, 6510, 8680, 9033, 12044, 13020, 15055, 18066, 21077, 24088, 26040, 30110, 36132, 42154, 45165, 60220, 63231, 72264, 84308, 90330, 93341, 105385, 120440, 126462, 168616, 180660, 186682, 210770, 252924, 280023, 316155, 361320, 373364, 421540, 466705, 505848, 560046, 632310, 653387, 746728, 843080, 933410, 1120092, 1264620, 1306774, 1400115, 1866820, 1960161, 2240184, 2529240, 2613548, 2800230, 3266935, 3733640, 3920322, 5227096, 5600460, 6533870, 7840644, 9800805, 11200920, 13067740, 15681288, 19601610, 26135480, 39203220, 78406440]

約数ペア:

[(1, 78406440), (2, 39203220), (3, 26135480), (4, 19601610), (5, 15681288), (6, 13067740), (7, 11200920), (8, 9800805), (10, 7840644), (12, 6533870), (14, 5600460), (15, 5227096), (20, 3920322), (21, 3733640), (24, 3266935), (28, 2800230), (30, 2613548), (31, 2529240), (35, 2240184), (40, 1960161), (42, 1866820), (56, 1400115), (60, 1306774), (62, 1264620), (70, 1120092), (84, 933410), (93, 843080), (105, 746728), (120, 653387), (124, 632310), (140, 560046), (155, 505848), (168, 466705), (186, 421540), (210, 373364), (217, 361320), (248, 316155), (280, 280023), (310, 252924), (372, 210770), (420, 186682), (434, 180660), (465, 168616), (620, 126462), (651, 120440), (744, 105385), (840, 93341), (868, 90330), (930, 84308), (1085, 72264), (1240, 63231), (1302, 60220), (1736, 45165), (1860, 42154), (2170, 36132), (2604, 30110), (3011, 26040), (3255, 24088), (3720, 21077), (4340, 18066), (5208, 15055), (6022, 13020), (6510, 12044), (8680, 9033)]