491354640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{32497}}^1$

素因数の和:32526

約数の個数: 160

約数和(自身を含む): 1934280960

約数和(自身を除く): 1442926320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 32497, 64994, 97491, 129988, 162485, 194982, 227479, 259976, 292473, 324970, 389964, 454958, 487455, 519952, 584946, 649940, 682437, 779928, 877419, 909916, 974910, 1137395, 1169892, 1299880, 1364874, 1462365, 1559856, 1754838, 1819832, 1949820, 2047311, 2274790, 2339784, 2599760, 2729748, 2924730, 3412185, 3509676, 3639664, 3899640, 4094622, 4387095, 4549580, 4679568, 5459496, 5849460, 6141933, 6824370, 7019352, 7799280, 8189244, 8774190, 9099160, 10236555, 10918992, 11698920, 12283866, 13648740, 14038704, 16378488, 17548380, 18198320, 20473110, 23397840, 24567732, 27297480, 30709665, 32756976, 35096760, 40946220, 49135464, 54594960, 61419330, 70193520, 81892440, 98270928, 122838660, 163784880, 245677320, 491354640]

約数ペア:

[(1, 491354640), (2, 245677320), (3, 163784880), (4, 122838660), (5, 98270928), (6, 81892440), (7, 70193520), (8, 61419330), (9, 54594960), (10, 49135464), (12, 40946220), (14, 35096760), (15, 32756976), (16, 30709665), (18, 27297480), (20, 24567732), (21, 23397840), (24, 20473110), (27, 18198320), (28, 17548380), (30, 16378488), (35, 14038704), (36, 13648740), (40, 12283866), (42, 11698920), (45, 10918992), (48, 10236555), (54, 9099160), (56, 8774190), (60, 8189244), (63, 7799280), (70, 7019352), (72, 6824370), (80, 6141933), (84, 5849460), (90, 5459496), (105, 4679568), (108, 4549580), (112, 4387095), (120, 4094622), (126, 3899640), (135, 3639664), (140, 3509676), (144, 3412185), (168, 2924730), (180, 2729748), (189, 2599760), (210, 2339784), (216, 2274790), (240, 2047311), (252, 1949820), (270, 1819832), (280, 1754838), (315, 1559856), (336, 1462365), (360, 1364874), (378, 1299880), (420, 1169892), (432, 1137395), (504, 974910), (540, 909916), (560, 877419), (630, 779928), (720, 682437), (756, 649940), (840, 584946), (945, 519952), (1008, 487455), (1080, 454958), (1260, 389964), (1512, 324970), (1680, 292473), (1890, 259976), (2160, 227479), (2520, 194982), (3024, 162485), (3780, 129988), (5040, 97491), (7560, 64994), (15120, 32497)]