789390

素因数分解:

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

素因数の和:206

約数の個数: 72

約数和(自身を含む): 2400840

約数和(自身を除く): 1611450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 179, 210, 245, 294, 315, 358, 441, 490, 537, 630, 735, 882, 895, 1074, 1253, 1470, 1611, 1790, 2205, 2506, 2685, 3222, 3759, 4410, 5370, 6265, 7518, 8055, 8771, 11277, 12530, 16110, 17542, 18795, 22554, 26313, 37590, 43855, 52626, 56385, 78939, 87710, 112770, 131565, 157878, 263130, 394695, 789390]

約数ペア:

[(1, 789390), (2, 394695), (3, 263130), (5, 157878), (6, 131565), (7, 112770), (9, 87710), (10, 78939), (14, 56385), (15, 52626), (18, 43855), (21, 37590), (30, 26313), (35, 22554), (42, 18795), (45, 17542), (49, 16110), (63, 12530), (70, 11277), (90, 8771), (98, 8055), (105, 7518), (126, 6265), (147, 5370), (179, 4410), (210, 3759), (245, 3222), (294, 2685), (315, 2506), (358, 2205), (441, 1790), (490, 1611), (537, 1470), (630, 1253), (735, 1074), (882, 895)]