57137220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 200124288

約数和(自身を除く): 142987068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 180, 210, 252, 274, 315, 331, 411, 420, 548, 630, 662, 685, 822, 959, 993, 1233, 1260, 1324, 1370, 1644, 1655, 1918, 1986, 2055, 2317, 2466, 2740, 2877, 2979, 3310, 3836, 3972, 4110, 4634, 4795, 4932, 4965, 5754, 5958, 6165, 6620, 6951, 8220, 8631, 9268, 9590, 9930, 11508, 11585, 11916, 12330, 13902, 14385, 14895, 17262, 19180, 19860, 20853, 23170, 24660, 27804, 28770, 29790, 34524, 34755, 41706, 43155, 45347, 46340, 57540, 59580, 69510, 83412, 86310, 90694, 104265, 136041, 139020, 172620, 181388, 208530, 226735, 272082, 317429, 408123, 417060, 453470, 544164, 634858, 680205, 816246, 906940, 952287, 1269716, 1360410, 1587145, 1632492, 1904574, 2040615, 2720820, 2856861, 3174290, 3809148, 4081230, 4761435, 5713722, 6348580, 8162460, 9522870, 11427444, 14284305, 19045740, 28568610, 57137220]

約数ペア:

[(1, 57137220), (2, 28568610), (3, 19045740), (4, 14284305), (5, 11427444), (6, 9522870), (7, 8162460), (9, 6348580), (10, 5713722), (12, 4761435), (14, 4081230), (15, 3809148), (18, 3174290), (20, 2856861), (21, 2720820), (28, 2040615), (30, 1904574), (35, 1632492), (36, 1587145), (42, 1360410), (45, 1269716), (60, 952287), (63, 906940), (70, 816246), (84, 680205), (90, 634858), (105, 544164), (126, 453470), (137, 417060), (140, 408123), (180, 317429), (210, 272082), (252, 226735), (274, 208530), (315, 181388), (331, 172620), (411, 139020), (420, 136041), (548, 104265), (630, 90694), (662, 86310), (685, 83412), (822, 69510), (959, 59580), (993, 57540), (1233, 46340), (1260, 45347), (1324, 43155), (1370, 41706), (1644, 34755), (1655, 34524), (1918, 29790), (1986, 28770), (2055, 27804), (2317, 24660), (2466, 23170), (2740, 20853), (2877, 19860), (2979, 19180), (3310, 17262), (3836, 14895), (3972, 14385), (4110, 13902), (4634, 12330), (4795, 11916), (4932, 11585), (4965, 11508), (5754, 9930), (5958, 9590), (6165, 9268), (6620, 8631), (6951, 8220)]