19846800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 180

約数和(自身を含む): 71210100

約数和(自身を除く): 51363300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 37, 40, 45, 48, 50, 60, 72, 74, 75, 80, 90, 100, 111, 120, 144, 148, 149, 150, 180, 185, 200, 222, 225, 240, 296, 298, 300, 333, 360, 370, 400, 444, 447, 450, 555, 592, 596, 600, 666, 720, 740, 745, 888, 894, 900, 925, 1110, 1192, 1200, 1332, 1341, 1480, 1490, 1665, 1776, 1788, 1800, 1850, 2220, 2235, 2384, 2664, 2682, 2775, 2960, 2980, 3330, 3576, 3600, 3700, 3725, 4440, 4470, 5328, 5364, 5513, 5550, 5960, 6660, 6705, 7152, 7400, 7450, 8325, 8880, 8940, 10728, 11026, 11100, 11175, 11920, 13320, 13410, 14800, 14900, 16539, 16650, 17880, 21456, 22052, 22200, 22350, 26640, 26820, 27565, 29800, 33078, 33300, 33525, 35760, 44104, 44400, 44700, 49617, 53640, 55130, 59600, 66156, 66600, 67050, 82695, 88208, 89400, 99234, 107280, 110260, 132312, 133200, 134100, 137825, 165390, 178800, 198468, 220520, 248085, 264624, 268200, 275650, 330780, 396936, 413475, 441040, 496170, 536400, 551300, 661560, 793872, 826950, 992340, 1102600, 1240425, 1323120, 1653900, 1984680, 2205200, 2480850, 3307800, 3969360, 4961700, 6615600, 9923400, 19846800]

約数ペア:

[(1, 19846800), (2, 9923400), (3, 6615600), (4, 4961700), (5, 3969360), (6, 3307800), (8, 2480850), (9, 2205200), (10, 1984680), (12, 1653900), (15, 1323120), (16, 1240425), (18, 1102600), (20, 992340), (24, 826950), (25, 793872), (30, 661560), (36, 551300), (37, 536400), (40, 496170), (45, 441040), (48, 413475), (50, 396936), (60, 330780), (72, 275650), (74, 268200), (75, 264624), (80, 248085), (90, 220520), (100, 198468), (111, 178800), (120, 165390), (144, 137825), (148, 134100), (149, 133200), (150, 132312), (180, 110260), (185, 107280), (200, 99234), (222, 89400), (225, 88208), (240, 82695), (296, 67050), (298, 66600), (300, 66156), (333, 59600), (360, 55130), (370, 53640), (400, 49617), (444, 44700), (447, 44400), (450, 44104), (555, 35760), (592, 33525), (596, 33300), (600, 33078), (666, 29800), (720, 27565), (740, 26820), (745, 26640), (888, 22350), (894, 22200), (900, 22052), (925, 21456), (1110, 17880), (1192, 16650), (1200, 16539), (1332, 14900), (1341, 14800), (1480, 13410), (1490, 13320), (1665, 11920), (1776, 11175), (1788, 11100), (1800, 11026), (1850, 10728), (2220, 8940), (2235, 8880), (2384, 8325), (2664, 7450), (2682, 7400), (2775, 7152), (2960, 6705), (2980, 6660), (3330, 5960), (3576, 5550), (3600, 5513), (3700, 5364), (3725, 5328), (4440, 4470)]