78112020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1039}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 251596800

約数和(自身を除く): 173484780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 358, 420, 537, 716, 895, 1039, 1074, 1253, 1790, 2078, 2148, 2506, 2685, 3117, 3580, 3759, 4156, 5012, 5195, 5370, 6234, 6265, 7273, 7518, 10390, 10740, 12468, 12530, 14546, 15036, 15585, 18795, 20780, 21819, 25060, 29092, 31170, 36365, 37590, 43638, 62340, 72730, 75180, 87276, 109095, 145460, 185981, 218190, 371962, 436380, 557943, 743924, 929905, 1115886, 1301867, 1859810, 2231772, 2603734, 2789715, 3719620, 3905601, 5207468, 5579430, 6509335, 7811202, 11158860, 13018670, 15622404, 19528005, 26037340, 39056010, 78112020]

約数ペア:

[(1, 78112020), (2, 39056010), (3, 26037340), (4, 19528005), (5, 15622404), (6, 13018670), (7, 11158860), (10, 7811202), (12, 6509335), (14, 5579430), (15, 5207468), (20, 3905601), (21, 3719620), (28, 2789715), (30, 2603734), (35, 2231772), (42, 1859810), (60, 1301867), (70, 1115886), (84, 929905), (105, 743924), (140, 557943), (179, 436380), (210, 371962), (358, 218190), (420, 185981), (537, 145460), (716, 109095), (895, 87276), (1039, 75180), (1074, 72730), (1253, 62340), (1790, 43638), (2078, 37590), (2148, 36365), (2506, 31170), (2685, 29092), (3117, 25060), (3580, 21819), (3759, 20780), (4156, 18795), (5012, 15585), (5195, 15036), (5370, 14546), (6234, 12530), (6265, 12468), (7273, 10740), (7518, 10390)]