81369600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 240

約数和(自身を含む): 291252192

約数和(自身を除く): 209882592

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, 128, 130, 150, 156, 160, 163, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 326, 384, 390, 400, 416, 480, 489, 512, 520, 600, 624, 640, 650, 652, 768, 780, 800, 815, 832, 960, 975, 978, 1040, 1200, 1248, 1280, 1300, 1304, 1536, 1560, 1600, 1630, 1664, 1920, 1950, 1956, 2080, 2119, 2400, 2445, 2496, 2560, 2600, 2608, 3120, 3200, 3260, 3328, 3840, 3900, 3912, 4075, 4160, 4238, 4800, 4890, 4992, 5200, 5216, 6240, 6357, 6400, 6520, 6656, 7680, 7800, 7824, 8150, 8320, 8476, 9600, 9780, 9984, 10400, 10432, 10595, 12225, 12480, 12714, 12800, 13040, 15600, 15648, 16300, 16640, 16952, 19200, 19560, 19968, 20800, 20864, 21190, 24450, 24960, 25428, 26080, 31200, 31296, 31785, 32600, 33280, 33904, 38400, 39120, 41600, 41728, 42380, 48900, 49920, 50856, 52160, 52975, 62400, 62592, 63570, 65200, 67808, 78240, 83200, 83456, 84760, 97800, 99840, 101712, 104320, 105950, 124800, 125184, 127140, 130400, 135616, 156480, 158925, 166400, 169520, 195600, 203424, 208640, 211900, 249600, 250368, 254280, 260800, 271232, 312960, 317850, 339040, 391200, 406848, 417280, 423800, 499200, 508560, 521600, 542464, 625920, 635700, 678080, 782400, 813696, 847600, 1017120, 1043200, 1084928, 1251840, 1271400, 1356160, 1564800, 1627392, 1695200, 2034240, 2086400, 2542800, 2712320, 3129600, 3254784, 3390400, 4068480, 5085600, 5424640, 6259200, 6780800, 8136960, 10171200, 13561600, 16273920, 20342400, 27123200, 40684800, 81369600]

約数ペア:

[(1, 81369600), (2, 40684800), (3, 27123200), (4, 20342400), (5, 16273920), (6, 13561600), (8, 10171200), (10, 8136960), (12, 6780800), (13, 6259200), (15, 5424640), (16, 5085600), (20, 4068480), (24, 3390400), (25, 3254784), (26, 3129600), (30, 2712320), (32, 2542800), (39, 2086400), (40, 2034240), (48, 1695200), (50, 1627392), (52, 1564800), (60, 1356160), (64, 1271400), (65, 1251840), (75, 1084928), (78, 1043200), (80, 1017120), (96, 847600), (100, 813696), (104, 782400), (120, 678080), (128, 635700), (130, 625920), (150, 542464), (156, 521600), (160, 508560), (163, 499200), (192, 423800), (195, 417280), (200, 406848), (208, 391200), (240, 339040), (256, 317850), (260, 312960), (300, 271232), (312, 260800), (320, 254280), (325, 250368), (326, 249600), (384, 211900), (390, 208640), (400, 203424), (416, 195600), (480, 169520), (489, 166400), (512, 158925), (520, 156480), (600, 135616), (624, 130400), (640, 127140), (650, 125184), (652, 124800), (768, 105950), (780, 104320), (800, 101712), (815, 99840), (832, 97800), (960, 84760), (975, 83456), (978, 83200), (1040, 78240), (1200, 67808), (1248, 65200), (1280, 63570), (1300, 62592), (1304, 62400), (1536, 52975), (1560, 52160), (1600, 50856), (1630, 49920), (1664, 48900), (1920, 42380), (1950, 41728), (1956, 41600), (2080, 39120), (2119, 38400), (2400, 33904), (2445, 33280), (2496, 32600), (2560, 31785), (2600, 31296), (2608, 31200), (3120, 26080), (3200, 25428), (3260, 24960), (3328, 24450), (3840, 21190), (3900, 20864), (3912, 20800), (4075, 19968), (4160, 19560), (4238, 19200), (4800, 16952), (4890, 16640), (4992, 16300), (5200, 15648), (5216, 15600), (6240, 13040), (6357, 12800), (6400, 12714), (6520, 12480), (6656, 12225), (7680, 10595), (7800, 10432), (7824, 10400), (8150, 9984), (8320, 9780), (8476, 9600)]