279003720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 870912000

約数和(自身を除く): 591908280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 179, 186, 248, 310, 358, 372, 419, 465, 537, 620, 716, 744, 838, 895, 930, 1074, 1240, 1257, 1432, 1676, 1790, 1860, 2095, 2148, 2514, 2685, 3352, 3580, 3720, 4190, 4296, 5028, 5370, 5549, 6285, 7160, 8380, 10056, 10740, 11098, 12570, 12989, 16647, 16760, 21480, 22196, 25140, 25978, 27745, 33294, 38967, 44392, 50280, 51956, 55490, 64945, 66588, 75001, 77934, 83235, 103912, 110980, 129890, 133176, 150002, 155868, 166470, 194835, 221960, 225003, 259780, 300004, 311736, 332940, 375005, 389670, 450006, 519560, 600008, 665880, 750010, 779340, 900012, 1125015, 1500020, 1558680, 1800024, 2250030, 2325031, 3000040, 4500060, 4650062, 6975093, 9000120, 9300124, 11625155, 13950186, 18600248, 23250310, 27900372, 34875465, 46500620, 55800744, 69750930, 93001240, 139501860, 279003720]

約数ペア:

[(1, 279003720), (2, 139501860), (3, 93001240), (4, 69750930), (5, 55800744), (6, 46500620), (8, 34875465), (10, 27900372), (12, 23250310), (15, 18600248), (20, 13950186), (24, 11625155), (30, 9300124), (31, 9000120), (40, 6975093), (60, 4650062), (62, 4500060), (93, 3000040), (120, 2325031), (124, 2250030), (155, 1800024), (179, 1558680), (186, 1500020), (248, 1125015), (310, 900012), (358, 779340), (372, 750010), (419, 665880), (465, 600008), (537, 519560), (620, 450006), (716, 389670), (744, 375005), (838, 332940), (895, 311736), (930, 300004), (1074, 259780), (1240, 225003), (1257, 221960), (1432, 194835), (1676, 166470), (1790, 155868), (1860, 150002), (2095, 133176), (2148, 129890), (2514, 110980), (2685, 103912), (3352, 83235), (3580, 77934), (3720, 75001), (4190, 66588), (4296, 64945), (5028, 55490), (5370, 51956), (5549, 50280), (6285, 44392), (7160, 38967), (8380, 33294), (10056, 27745), (10740, 25978), (11098, 25140), (12570, 22196), (12989, 21480), (16647, 16760)]