51753870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 159667200

約数和(自身を除く): 107913330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 139, 189, 197, 210, 270, 278, 315, 378, 394, 417, 591, 630, 695, 834, 945, 973, 985, 1182, 1251, 1379, 1390, 1773, 1890, 1946, 1970, 2085, 2502, 2758, 2919, 2955, 3546, 3753, 4137, 4170, 4865, 5319, 5838, 5910, 6255, 6895, 7506, 8274, 8757, 8865, 9730, 10638, 12411, 12510, 13790, 14595, 17514, 17730, 18765, 20685, 24822, 26271, 26595, 27383, 29190, 37233, 37530, 41370, 43785, 52542, 53190, 54766, 62055, 74466, 82149, 87570, 124110, 131355, 136915, 164298, 186165, 191681, 246447, 262710, 273830, 372330, 383362, 410745, 492894, 575043, 739341, 821490, 958405, 1150086, 1232235, 1478682, 1725129, 1916810, 2464470, 2875215, 3450258, 3696705, 5175387, 5750430, 7393410, 8625645, 10350774, 17251290, 25876935, 51753870]

約数ペア:

[(1, 51753870), (2, 25876935), (3, 17251290), (5, 10350774), (6, 8625645), (7, 7393410), (9, 5750430), (10, 5175387), (14, 3696705), (15, 3450258), (18, 2875215), (21, 2464470), (27, 1916810), (30, 1725129), (35, 1478682), (42, 1232235), (45, 1150086), (54, 958405), (63, 821490), (70, 739341), (90, 575043), (105, 492894), (126, 410745), (135, 383362), (139, 372330), (189, 273830), (197, 262710), (210, 246447), (270, 191681), (278, 186165), (315, 164298), (378, 136915), (394, 131355), (417, 124110), (591, 87570), (630, 82149), (695, 74466), (834, 62055), (945, 54766), (973, 53190), (985, 52542), (1182, 43785), (1251, 41370), (1379, 37530), (1390, 37233), (1773, 29190), (1890, 27383), (1946, 26595), (1970, 26271), (2085, 24822), (2502, 20685), (2758, 18765), (2919, 17730), (2955, 17514), (3546, 14595), (3753, 13790), (4137, 12510), (4170, 12411), (4865, 10638), (5319, 9730), (5838, 8865), (5910, 8757), (6255, 8274), (6895, 7506)]