390205680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 1259919360

約数和(自身を除く): 869713680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 179, 186, 240, 248, 293, 310, 358, 372, 465, 496, 537, 586, 620, 716, 744, 879, 895, 930, 1074, 1172, 1240, 1432, 1465, 1488, 1758, 1790, 1860, 2148, 2344, 2480, 2685, 2864, 2930, 3516, 3580, 3720, 4296, 4395, 4688, 5370, 5549, 5860, 7032, 7160, 7440, 8592, 8790, 9083, 10740, 11098, 11720, 14064, 14320, 16647, 17580, 18166, 21480, 22196, 23440, 27249, 27745, 33294, 35160, 36332, 42960, 44392, 45415, 52447, 54498, 55490, 66588, 70320, 72664, 83235, 88784, 90830, 104894, 108996, 110980, 133176, 136245, 145328, 157341, 166470, 181660, 209788, 217992, 221960, 262235, 266352, 272490, 314682, 332940, 363320, 419576, 435984, 443920, 524470, 544980, 629364, 665880, 726640, 786705, 839152, 1048940, 1089960, 1258728, 1331760, 1573410, 1625857, 2097880, 2179920, 2517456, 3146820, 3251714, 4195760, 4877571, 6293640, 6503428, 8129285, 9755142, 12587280, 13006856, 16258570, 19510284, 24387855, 26013712, 32517140, 39020568, 48775710, 65034280, 78041136, 97551420, 130068560, 195102840, 390205680]

約数ペア:

[(1, 390205680), (2, 195102840), (3, 130068560), (4, 97551420), (5, 78041136), (6, 65034280), (8, 48775710), (10, 39020568), (12, 32517140), (15, 26013712), (16, 24387855), (20, 19510284), (24, 16258570), (30, 13006856), (31, 12587280), (40, 9755142), (48, 8129285), (60, 6503428), (62, 6293640), (80, 4877571), (93, 4195760), (120, 3251714), (124, 3146820), (155, 2517456), (179, 2179920), (186, 2097880), (240, 1625857), (248, 1573410), (293, 1331760), (310, 1258728), (358, 1089960), (372, 1048940), (465, 839152), (496, 786705), (537, 726640), (586, 665880), (620, 629364), (716, 544980), (744, 524470), (879, 443920), (895, 435984), (930, 419576), (1074, 363320), (1172, 332940), (1240, 314682), (1432, 272490), (1465, 266352), (1488, 262235), (1758, 221960), (1790, 217992), (1860, 209788), (2148, 181660), (2344, 166470), (2480, 157341), (2685, 145328), (2864, 136245), (2930, 133176), (3516, 110980), (3580, 108996), (3720, 104894), (4296, 90830), (4395, 88784), (4688, 83235), (5370, 72664), (5549, 70320), (5860, 66588), (7032, 55490), (7160, 54498), (7440, 52447), (8592, 45415), (8790, 44392), (9083, 42960), (10740, 36332), (11098, 35160), (11720, 33294), (14064, 27745), (14320, 27249), (16647, 23440), (17580, 22196), (18166, 21480)]