2070180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 7547904

約数和(自身を除く): 5477724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 53, 60, 62, 63, 70, 84, 90, 93, 105, 106, 124, 126, 140, 155, 159, 180, 186, 210, 212, 217, 252, 265, 279, 310, 315, 318, 371, 372, 420, 434, 465, 477, 530, 558, 620, 630, 636, 651, 742, 795, 868, 930, 954, 1060, 1085, 1113, 1116, 1260, 1302, 1395, 1484, 1590, 1643, 1855, 1860, 1908, 1953, 2170, 2226, 2385, 2604, 2790, 3180, 3255, 3286, 3339, 3710, 3906, 4340, 4452, 4770, 4929, 5565, 5580, 6510, 6572, 6678, 7420, 7812, 8215, 9540, 9765, 9858, 11130, 11501, 13020, 13356, 14787, 16430, 16695, 19530, 19716, 22260, 23002, 24645, 29574, 32860, 33390, 34503, 39060, 46004, 49290, 57505, 59148, 66780, 69006, 73935, 98580, 103509, 115010, 138012, 147870, 172515, 207018, 230020, 295740, 345030, 414036, 517545, 690060, 1035090, 2070180]

約数ペア:

[(1, 2070180), (2, 1035090), (3, 690060), (4, 517545), (5, 414036), (6, 345030), (7, 295740), (9, 230020), (10, 207018), (12, 172515), (14, 147870), (15, 138012), (18, 115010), (20, 103509), (21, 98580), (28, 73935), (30, 69006), (31, 66780), (35, 59148), (36, 57505), (42, 49290), (45, 46004), (53, 39060), (60, 34503), (62, 33390), (63, 32860), (70, 29574), (84, 24645), (90, 23002), (93, 22260), (105, 19716), (106, 19530), (124, 16695), (126, 16430), (140, 14787), (155, 13356), (159, 13020), (180, 11501), (186, 11130), (210, 9858), (212, 9765), (217, 9540), (252, 8215), (265, 7812), (279, 7420), (310, 6678), (315, 6572), (318, 6510), (371, 5580), (372, 5565), (420, 4929), (434, 4770), (465, 4452), (477, 4340), (530, 3906), (558, 3710), (620, 3339), (630, 3286), (636, 3255), (651, 3180), (742, 2790), (795, 2604), (868, 2385), (930, 2226), (954, 2170), (1060, 1953), (1085, 1908), (1113, 1860), (1116, 1855), (1260, 1643), (1302, 1590), (1395, 1484)]