81388800

素因数分解:

$2^8\times 3^4\times 5^2\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 270

約数和(自身を含む): 302848238

約数和(自身を除く): 221459438

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 128, 135, 144, 150, 157, 160, 162, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 314, 320, 324, 360, 384, 400, 405, 432, 450, 471, 480, 540, 576, 600, 628, 640, 648, 675, 720, 768, 785, 800, 810, 864, 900, 942, 960, 1080, 1152, 1200, 1256, 1280, 1296, 1350, 1413, 1440, 1570, 1600, 1620, 1728, 1800, 1884, 1920, 2025, 2160, 2304, 2355, 2400, 2512, 2592, 2700, 2826, 2880, 3140, 3200, 3240, 3456, 3600, 3768, 3840, 3925, 4050, 4239, 4320, 4710, 4800, 5024, 5184, 5400, 5652, 5760, 6280, 6400, 6480, 6912, 7065, 7200, 7536, 7850, 8100, 8478, 8640, 9420, 9600, 10048, 10368, 10800, 11304, 11520, 11775, 12560, 12717, 12960, 14130, 14400, 15072, 15700, 16200, 16956, 17280, 18840, 19200, 20096, 20736, 21195, 21600, 22608, 23550, 25120, 25434, 25920, 28260, 28800, 30144, 31400, 32400, 33912, 34560, 35325, 37680, 40192, 42390, 43200, 45216, 47100, 50240, 50868, 51840, 56520, 57600, 60288, 62800, 63585, 64800, 67824, 70650, 75360, 84780, 86400, 90432, 94200, 100480, 101736, 103680, 105975, 113040, 120576, 125600, 127170, 129600, 135648, 141300, 150720, 169560, 172800, 180864, 188400, 200960, 203472, 211950, 226080, 251200, 254340, 259200, 271296, 282600, 301440, 317925, 339120, 361728, 376800, 406944, 423900, 452160, 502400, 508680, 518400, 542592, 565200, 602880, 635850, 678240, 753600, 813888, 847800, 904320, 1004800, 1017360, 1085184, 1130400, 1271700, 1356480, 1507200, 1627776, 1695600, 1808640, 2034720, 2260800, 2543400, 2712960, 3014400, 3255552, 3391200, 4069440, 4521600, 5086800, 5425920, 6782400, 8138880, 9043200, 10173600, 13564800, 16277760, 20347200, 27129600, 40694400, 81388800]

約数ペア:

[(1, 81388800), (2, 40694400), (3, 27129600), (4, 20347200), (5, 16277760), (6, 13564800), (8, 10173600), (9, 9043200), (10, 8138880), (12, 6782400), (15, 5425920), (16, 5086800), (18, 4521600), (20, 4069440), (24, 3391200), (25, 3255552), (27, 3014400), (30, 2712960), (32, 2543400), (36, 2260800), (40, 2034720), (45, 1808640), (48, 1695600), (50, 1627776), (54, 1507200), (60, 1356480), (64, 1271700), (72, 1130400), (75, 1085184), (80, 1017360), (81, 1004800), (90, 904320), (96, 847800), (100, 813888), (108, 753600), (120, 678240), (128, 635850), (135, 602880), (144, 565200), (150, 542592), (157, 518400), (160, 508680), (162, 502400), (180, 452160), (192, 423900), (200, 406944), (216, 376800), (225, 361728), (240, 339120), (256, 317925), (270, 301440), (288, 282600), (300, 271296), (314, 259200), (320, 254340), (324, 251200), (360, 226080), (384, 211950), (400, 203472), (405, 200960), (432, 188400), (450, 180864), (471, 172800), (480, 169560), (540, 150720), (576, 141300), (600, 135648), (628, 129600), (640, 127170), (648, 125600), (675, 120576), (720, 113040), (768, 105975), (785, 103680), (800, 101736), (810, 100480), (864, 94200), (900, 90432), (942, 86400), (960, 84780), (1080, 75360), (1152, 70650), (1200, 67824), (1256, 64800), (1280, 63585), (1296, 62800), (1350, 60288), (1413, 57600), (1440, 56520), (1570, 51840), (1600, 50868), (1620, 50240), (1728, 47100), (1800, 45216), (1884, 43200), (1920, 42390), (2025, 40192), (2160, 37680), (2304, 35325), (2355, 34560), (2400, 33912), (2512, 32400), (2592, 31400), (2700, 30144), (2826, 28800), (2880, 28260), (3140, 25920), (3200, 25434), (3240, 25120), (3456, 23550), (3600, 22608), (3768, 21600), (3840, 21195), (3925, 20736), (4050, 20096), (4239, 19200), (4320, 18840), (4710, 17280), (4800, 16956), (5024, 16200), (5184, 15700), (5400, 15072), (5652, 14400), (5760, 14130), (6280, 12960), (6400, 12717), (6480, 12560), (6912, 11775), (7065, 11520), (7200, 11304), (7536, 10800), (7850, 10368), (8100, 10048), (8478, 9600), (8640, 9420)]