40684800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 216

約数和(自身を含む): 145483744

約数和(自身を除く): 104798944

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, 520, 600, 624, 640, 650, 652, 768, 780, 800, 815, 832, 960, 975, 978, 1040, 1200, 1248, 1280, 1300, 1304, 1560, 1600, 1630, 1664, 1920, 1950, 1956, 2080, 2119, 2400, 2445, 2496, 2600, 2608, 3120, 3200, 3260, 3328, 3840, 3900, 3912, 4075, 4160, 4238, 4800, 4890, 4992, 5200, 5216, 6240, 6357, 6400, 6520, 7800, 7824, 8150, 8320, 8476, 9600, 9780, 9984, 10400, 10432, 10595, 12225, 12480, 12714, 13040, 15600, 15648, 16300, 16640, 16952, 19200, 19560, 20800, 20864, 21190, 24450, 24960, 25428, 26080, 31200, 31296, 31785, 32600, 33904, 39120, 41600, 41728, 42380, 48900, 49920, 50856, 52160, 52975, 62400, 62592, 63570, 65200, 67808, 78240, 83200, 84760, 97800, 101712, 104320, 105950, 124800, 125184, 127140, 130400, 135616, 156480, 158925, 169520, 195600, 203424, 208640, 211900, 249600, 254280, 260800, 271232, 312960, 317850, 339040, 391200, 406848, 423800, 508560, 521600, 542464, 625920, 635700, 678080, 782400, 813696, 847600, 1017120, 1043200, 1271400, 1356160, 1564800, 1627392, 1695200, 2034240, 2542800, 2712320, 3129600, 3390400, 4068480, 5085600, 6780800, 8136960, 10171200, 13561600, 20342400, 40684800]

約数ペア:

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