19203120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 65286000

約数和(自身を除く): 46082880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 179, 180, 240, 298, 358, 360, 447, 537, 596, 716, 720, 745, 894, 895, 1074, 1192, 1341, 1432, 1490, 1611, 1788, 1790, 2148, 2235, 2384, 2682, 2685, 2864, 2980, 3222, 3576, 3580, 4296, 4470, 5364, 5370, 5960, 6444, 6705, 7152, 7160, 8055, 8592, 8940, 10728, 10740, 11920, 12888, 13410, 14320, 16110, 17880, 21456, 21480, 25776, 26671, 26820, 32220, 35760, 42960, 53342, 53640, 64440, 80013, 106684, 107280, 128880, 133355, 160026, 213368, 240039, 266710, 320052, 400065, 426736, 480078, 533420, 640104, 800130, 960156, 1066840, 1200195, 1280208, 1600260, 1920312, 2133680, 2400390, 3200520, 3840624, 4800780, 6401040, 9601560, 19203120]

約数ペア:

[(1, 19203120), (2, 9601560), (3, 6401040), (4, 4800780), (5, 3840624), (6, 3200520), (8, 2400390), (9, 2133680), (10, 1920312), (12, 1600260), (15, 1280208), (16, 1200195), (18, 1066840), (20, 960156), (24, 800130), (30, 640104), (36, 533420), (40, 480078), (45, 426736), (48, 400065), (60, 320052), (72, 266710), (80, 240039), (90, 213368), (120, 160026), (144, 133355), (149, 128880), (179, 107280), (180, 106684), (240, 80013), (298, 64440), (358, 53640), (360, 53342), (447, 42960), (537, 35760), (596, 32220), (716, 26820), (720, 26671), (745, 25776), (894, 21480), (895, 21456), (1074, 17880), (1192, 16110), (1341, 14320), (1432, 13410), (1490, 12888), (1611, 11920), (1788, 10740), (1790, 10728), (2148, 8940), (2235, 8592), (2384, 8055), (2682, 7160), (2685, 7152), (2864, 6705), (2980, 6444), (3222, 5960), (3576, 5370), (3580, 5364), (4296, 4470)]