1578780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{179}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 5601960

約数和(自身を除く): 4023180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 179, 180, 196, 210, 245, 252, 294, 315, 358, 420, 441, 490, 537, 588, 630, 716, 735, 882, 895, 980, 1074, 1253, 1260, 1470, 1611, 1764, 1790, 2148, 2205, 2506, 2685, 2940, 3222, 3580, 3759, 4410, 5012, 5370, 6265, 6444, 7518, 8055, 8771, 8820, 10740, 11277, 12530, 15036, 16110, 17542, 18795, 22554, 25060, 26313, 32220, 35084, 37590, 43855, 45108, 52626, 56385, 75180, 78939, 87710, 105252, 112770, 131565, 157878, 175420, 225540, 263130, 315756, 394695, 526260, 789390, 1578780]

約数ペア:

[(1, 1578780), (2, 789390), (3, 526260), (4, 394695), (5, 315756), (6, 263130), (7, 225540), (9, 175420), (10, 157878), (12, 131565), (14, 112770), (15, 105252), (18, 87710), (20, 78939), (21, 75180), (28, 56385), (30, 52626), (35, 45108), (36, 43855), (42, 37590), (45, 35084), (49, 32220), (60, 26313), (63, 25060), (70, 22554), (84, 18795), (90, 17542), (98, 16110), (105, 15036), (126, 12530), (140, 11277), (147, 10740), (179, 8820), (180, 8771), (196, 8055), (210, 7518), (245, 6444), (252, 6265), (294, 5370), (315, 5012), (358, 4410), (420, 3759), (441, 3580), (490, 3222), (537, 2940), (588, 2685), (630, 2506), (716, 2205), (735, 2148), (882, 1790), (895, 1764), (980, 1611), (1074, 1470), (1253, 1260)]