15628800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 57844512

約数和(自身を除く): 42215712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 37, 40, 44, 48, 50, 55, 60, 64, 66, 74, 75, 80, 88, 96, 100, 110, 111, 120, 128, 132, 148, 150, 160, 165, 176, 185, 192, 200, 220, 222, 240, 256, 264, 275, 296, 300, 320, 330, 352, 370, 384, 400, 407, 440, 444, 480, 512, 528, 550, 555, 592, 600, 640, 660, 704, 740, 768, 800, 814, 825, 880, 888, 925, 960, 1056, 1100, 1110, 1184, 1200, 1221, 1280, 1320, 1408, 1480, 1536, 1600, 1628, 1650, 1760, 1776, 1850, 1920, 2035, 2112, 2200, 2220, 2368, 2400, 2442, 2560, 2640, 2775, 2816, 2960, 3200, 3256, 3300, 3520, 3552, 3700, 3840, 4070, 4224, 4400, 4440, 4736, 4800, 4884, 5280, 5550, 5632, 5920, 6105, 6400, 6512, 6600, 7040, 7104, 7400, 7680, 8140, 8448, 8800, 8880, 9472, 9600, 9768, 10175, 10560, 11100, 11840, 12210, 12800, 13024, 13200, 14080, 14208, 14800, 16280, 16896, 17600, 17760, 18944, 19200, 19536, 20350, 21120, 22200, 23680, 24420, 26048, 26400, 28160, 28416, 29600, 30525, 32560, 35200, 35520, 38400, 39072, 40700, 42240, 44400, 47360, 48840, 52096, 52800, 56832, 59200, 61050, 65120, 70400, 71040, 78144, 81400, 84480, 88800, 94720, 97680, 104192, 105600, 118400, 122100, 130240, 140800, 142080, 156288, 162800, 177600, 195360, 208384, 211200, 236800, 244200, 260480, 284160, 312576, 325600, 355200, 390720, 422400, 473600, 488400, 520960, 625152, 651200, 710400, 781440, 976800, 1041920, 1302400, 1420800, 1562880, 1953600, 2604800, 3125760, 3907200, 5209600, 7814400, 15628800]

約数ペア:

[(1, 15628800), (2, 7814400), (3, 5209600), (4, 3907200), (5, 3125760), (6, 2604800), (8, 1953600), (10, 1562880), (11, 1420800), (12, 1302400), (15, 1041920), (16, 976800), (20, 781440), (22, 710400), (24, 651200), (25, 625152), (30, 520960), (32, 488400), (33, 473600), (37, 422400), (40, 390720), (44, 355200), (48, 325600), (50, 312576), (55, 284160), (60, 260480), (64, 244200), (66, 236800), (74, 211200), (75, 208384), (80, 195360), (88, 177600), (96, 162800), (100, 156288), (110, 142080), (111, 140800), (120, 130240), (128, 122100), (132, 118400), (148, 105600), (150, 104192), (160, 97680), (165, 94720), (176, 88800), (185, 84480), (192, 81400), (200, 78144), (220, 71040), (222, 70400), (240, 65120), (256, 61050), (264, 59200), (275, 56832), (296, 52800), (300, 52096), (320, 48840), (330, 47360), (352, 44400), (370, 42240), (384, 40700), (400, 39072), (407, 38400), (440, 35520), (444, 35200), (480, 32560), (512, 30525), (528, 29600), (550, 28416), (555, 28160), (592, 26400), (600, 26048), (640, 24420), (660, 23680), (704, 22200), (740, 21120), (768, 20350), (800, 19536), (814, 19200), (825, 18944), (880, 17760), (888, 17600), (925, 16896), (960, 16280), (1056, 14800), (1100, 14208), (1110, 14080), (1184, 13200), (1200, 13024), (1221, 12800), (1280, 12210), (1320, 11840), (1408, 11100), (1480, 10560), (1536, 10175), (1600, 9768), (1628, 9600), (1650, 9472), (1760, 8880), (1776, 8800), (1850, 8448), (1920, 8140), (2035, 7680), (2112, 7400), (2200, 7104), (2220, 7040), (2368, 6600), (2400, 6512), (2442, 6400), (2560, 6105), (2640, 5920), (2775, 5632), (2816, 5550), (2960, 5280), (3200, 4884), (3256, 4800), (3300, 4736), (3520, 4440), (3552, 4400), (3700, 4224), (3840, 4070)]