641472000

素因数分解:

$2^9\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 320

約数和(自身を含む): 2305727424

約数和(自身を除く): 1664255424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 256, 257, 260, 300, 312, 320, 325, 375, 384, 390, 400, 416, 480, 500, 512, 514, 520, 600, 624, 640, 650, 750, 768, 771, 780, 800, 832, 960, 975, 1000, 1028, 1040, 1200, 1248, 1280, 1285, 1300, 1500, 1536, 1542, 1560, 1600, 1625, 1664, 1920, 1950, 2000, 2056, 2080, 2400, 2496, 2560, 2570, 2600, 3000, 3084, 3120, 3200, 3250, 3328, 3341, 3840, 3855, 3900, 4000, 4112, 4160, 4800, 4875, 4992, 5140, 5200, 6000, 6168, 6240, 6400, 6425, 6500, 6656, 6682, 7680, 7710, 7800, 8000, 8224, 8320, 9600, 9750, 9984, 10023, 10280, 10400, 12000, 12336, 12480, 12800, 12850, 13000, 13364, 15420, 15600, 16000, 16448, 16640, 16705, 19200, 19275, 19500, 19968, 20046, 20560, 20800, 24000, 24672, 24960, 25700, 26000, 26728, 30840, 31200, 32000, 32125, 32896, 33280, 33410, 38400, 38550, 39000, 40092, 41120, 41600, 48000, 49344, 49920, 50115, 51400, 52000, 53456, 61680, 62400, 64000, 64250, 65792, 66820, 77100, 78000, 80184, 82240, 83200, 83525, 96000, 96375, 98688, 99840, 100230, 102800, 104000, 106912, 123360, 124800, 128500, 131584, 133640, 154200, 156000, 160368, 164480, 166400, 167050, 192000, 192750, 197376, 200460, 205600, 208000, 213824, 246720, 249600, 250575, 257000, 267280, 308400, 312000, 320736, 328960, 334100, 385500, 394752, 400920, 411200, 416000, 417625, 427648, 493440, 499200, 501150, 514000, 534560, 616800, 624000, 641472, 657920, 668200, 771000, 801840, 822400, 832000, 835250, 855296, 986880, 1002300, 1028000, 1069120, 1233600, 1248000, 1252875, 1282944, 1336400, 1542000, 1603680, 1644800, 1670500, 1710592, 1973760, 2004600, 2056000, 2138240, 2467200, 2496000, 2505750, 2565888, 2672800, 3084000, 3207360, 3289600, 3341000, 4009200, 4112000, 4276480, 4934400, 5011500, 5131776, 5345600, 6168000, 6414720, 6682000, 8018400, 8224000, 8552960, 9868800, 10023000, 10691200, 12336000, 12829440, 13364000, 16036800, 16448000, 20046000, 21382400, 24672000, 25658880, 26728000, 32073600, 40092000, 42764800, 49344000, 53456000, 64147200, 80184000, 106912000, 128294400, 160368000, 213824000, 320736000, 641472000]

約数ペア:

[(1, 641472000), (2, 320736000), (3, 213824000), (4, 160368000), (5, 128294400), (6, 106912000), (8, 80184000), (10, 64147200), (12, 53456000), (13, 49344000), (15, 42764800), (16, 40092000), (20, 32073600), (24, 26728000), (25, 25658880), (26, 24672000), (30, 21382400), (32, 20046000), (39, 16448000), (40, 16036800), (48, 13364000), (50, 12829440), (52, 12336000), (60, 10691200), (64, 10023000), (65, 9868800), (75, 8552960), (78, 8224000), (80, 8018400), (96, 6682000), (100, 6414720), (104, 6168000), (120, 5345600), (125, 5131776), (128, 5011500), (130, 4934400), (150, 4276480), (156, 4112000), (160, 4009200), (192, 3341000), (195, 3289600), (200, 3207360), (208, 3084000), (240, 2672800), (250, 2565888), (256, 2505750), (257, 2496000), (260, 2467200), (300, 2138240), (312, 2056000), (320, 2004600), (325, 1973760), (375, 1710592), (384, 1670500), (390, 1644800), (400, 1603680), (416, 1542000), (480, 1336400), (500, 1282944), (512, 1252875), (514, 1248000), (520, 1233600), (600, 1069120), (624, 1028000), (640, 1002300), (650, 986880), (750, 855296), (768, 835250), (771, 832000), (780, 822400), (800, 801840), (832, 771000), (960, 668200), (975, 657920), (1000, 641472), (1028, 624000), (1040, 616800), (1200, 534560), (1248, 514000), (1280, 501150), (1285, 499200), (1300, 493440), (1500, 427648), (1536, 417625), (1542, 416000), (1560, 411200), (1600, 400920), (1625, 394752), (1664, 385500), (1920, 334100), (1950, 328960), (2000, 320736), (2056, 312000), (2080, 308400), (2400, 267280), (2496, 257000), (2560, 250575), (2570, 249600), (2600, 246720), (3000, 213824), (3084, 208000), (3120, 205600), (3200, 200460), (3250, 197376), (3328, 192750), (3341, 192000), (3840, 167050), (3855, 166400), (3900, 164480), (4000, 160368), (4112, 156000), (4160, 154200), (4800, 133640), (4875, 131584), (4992, 128500), (5140, 124800), (5200, 123360), (6000, 106912), (6168, 104000), (6240, 102800), (6400, 100230), (6425, 99840), (6500, 98688), (6656, 96375), (6682, 96000), (7680, 83525), (7710, 83200), (7800, 82240), (8000, 80184), (8224, 78000), (8320, 77100), (9600, 66820), (9750, 65792), (9984, 64250), (10023, 64000), (10280, 62400), (10400, 61680), (12000, 53456), (12336, 52000), (12480, 51400), (12800, 50115), (12850, 49920), (13000, 49344), (13364, 48000), (15420, 41600), (15600, 41120), (16000, 40092), (16448, 39000), (16640, 38550), (16705, 38400), (19200, 33410), (19275, 33280), (19500, 32896), (19968, 32125), (20046, 32000), (20560, 31200), (20800, 30840), (24000, 26728), (24672, 26000), (24960, 25700)]