15428000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 47174400

約数和(自身を除く): 31746400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 29, 32, 35, 38, 40, 50, 56, 58, 70, 76, 80, 95, 100, 112, 116, 125, 133, 140, 145, 152, 160, 175, 190, 200, 203, 224, 232, 250, 266, 280, 290, 304, 350, 380, 400, 406, 464, 475, 500, 532, 551, 560, 580, 608, 665, 700, 725, 760, 800, 812, 875, 928, 950, 1000, 1015, 1064, 1102, 1120, 1160, 1330, 1400, 1450, 1520, 1624, 1750, 1900, 2000, 2030, 2128, 2204, 2320, 2375, 2660, 2755, 2800, 2900, 3040, 3248, 3325, 3500, 3625, 3800, 3857, 4000, 4060, 4256, 4408, 4640, 4750, 5075, 5320, 5510, 5600, 5800, 6496, 6650, 7000, 7250, 7600, 7714, 8120, 8816, 9500, 10150, 10640, 11020, 11600, 13300, 13775, 14000, 14500, 15200, 15428, 16240, 16625, 17632, 19000, 19285, 20300, 21280, 22040, 23200, 25375, 26600, 27550, 28000, 29000, 30856, 32480, 33250, 38000, 38570, 40600, 44080, 50750, 53200, 55100, 58000, 61712, 66500, 68875, 76000, 77140, 81200, 88160, 96425, 101500, 106400, 110200, 116000, 123424, 133000, 137750, 154280, 162400, 192850, 203000, 220400, 266000, 275500, 308560, 385700, 406000, 440800, 482125, 532000, 551000, 617120, 771400, 812000, 964250, 1102000, 1542800, 1928500, 2204000, 3085600, 3857000, 7714000, 15428000]

約数ペア:

[(1, 15428000), (2, 7714000), (4, 3857000), (5, 3085600), (7, 2204000), (8, 1928500), (10, 1542800), (14, 1102000), (16, 964250), (19, 812000), (20, 771400), (25, 617120), (28, 551000), (29, 532000), (32, 482125), (35, 440800), (38, 406000), (40, 385700), (50, 308560), (56, 275500), (58, 266000), (70, 220400), (76, 203000), (80, 192850), (95, 162400), (100, 154280), (112, 137750), (116, 133000), (125, 123424), (133, 116000), (140, 110200), (145, 106400), (152, 101500), (160, 96425), (175, 88160), (190, 81200), (200, 77140), (203, 76000), (224, 68875), (232, 66500), (250, 61712), (266, 58000), (280, 55100), (290, 53200), (304, 50750), (350, 44080), (380, 40600), (400, 38570), (406, 38000), (464, 33250), (475, 32480), (500, 30856), (532, 29000), (551, 28000), (560, 27550), (580, 26600), (608, 25375), (665, 23200), (700, 22040), (725, 21280), (760, 20300), (800, 19285), (812, 19000), (875, 17632), (928, 16625), (950, 16240), (1000, 15428), (1015, 15200), (1064, 14500), (1102, 14000), (1120, 13775), (1160, 13300), (1330, 11600), (1400, 11020), (1450, 10640), (1520, 10150), (1624, 9500), (1750, 8816), (1900, 8120), (2000, 7714), (2030, 7600), (2128, 7250), (2204, 7000), (2320, 6650), (2375, 6496), (2660, 5800), (2755, 5600), (2800, 5510), (2900, 5320), (3040, 5075), (3248, 4750), (3325, 4640), (3500, 4408), (3625, 4256), (3800, 4060), (3857, 4000)]