158521860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 180

約数和(自身を含む): 578768652

約数和(自身を除く): 420246792

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 1997, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 3994, 4410, 5292, 5670, 5991, 6615, 7938, 7988, 8820, 9985, 11340, 11982, 13230, 13979, 15876, 17973, 19845, 19970, 23964, 26460, 27958, 29955, 35946, 39690, 39940, 41937, 53919, 55916, 59910, 69895, 71892, 79380, 83874, 89865, 97853, 107838, 119820, 125811, 139790, 161757, 167748, 179730, 195706, 209685, 215676, 251622, 269595, 279580, 293559, 323514, 359460, 377433, 391412, 419370, 489265, 503244, 539190, 587118, 629055, 647028, 754866, 808785, 838740, 880677, 978530, 1078380, 1132299, 1174236, 1258110, 1467795, 1509732, 1617570, 1761354, 1887165, 1957060, 2264598, 2516220, 2642031, 2935590, 3235140, 3522708, 3774330, 4403385, 4529196, 5284062, 5661495, 5871180, 7548660, 7926093, 8806770, 10568124, 11322990, 13210155, 15852186, 17613540, 22645980, 26420310, 31704372, 39630465, 52840620, 79260930, 158521860]

約数ペア:

[(1, 158521860), (2, 79260930), (3, 52840620), (4, 39630465), (5, 31704372), (6, 26420310), (7, 22645980), (9, 17613540), (10, 15852186), (12, 13210155), (14, 11322990), (15, 10568124), (18, 8806770), (20, 7926093), (21, 7548660), (27, 5871180), (28, 5661495), (30, 5284062), (35, 4529196), (36, 4403385), (42, 3774330), (45, 3522708), (49, 3235140), (54, 2935590), (60, 2642031), (63, 2516220), (70, 2264598), (81, 1957060), (84, 1887165), (90, 1761354), (98, 1617570), (105, 1509732), (108, 1467795), (126, 1258110), (135, 1174236), (140, 1132299), (147, 1078380), (162, 978530), (180, 880677), (189, 838740), (196, 808785), (210, 754866), (245, 647028), (252, 629055), (270, 587118), (294, 539190), (315, 503244), (324, 489265), (378, 419370), (405, 391412), (420, 377433), (441, 359460), (490, 323514), (540, 293559), (567, 279580), (588, 269595), (630, 251622), (735, 215676), (756, 209685), (810, 195706), (882, 179730), (945, 167748), (980, 161757), (1134, 139790), (1260, 125811), (1323, 119820), (1470, 107838), (1620, 97853), (1764, 89865), (1890, 83874), (1997, 79380), (2205, 71892), (2268, 69895), (2646, 59910), (2835, 55916), (2940, 53919), (3780, 41937), (3969, 39940), (3994, 39690), (4410, 35946), (5292, 29955), (5670, 27958), (5991, 26460), (6615, 23964), (7938, 19970), (7988, 19845), (8820, 17973), (9985, 15876), (11340, 13979), (11982, 13230)]