438218880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20749}}^1$

素因数の和:20782

約数の個数: 128

約数和(自身を含む): 1523880000

約数和(自身を除く): 1085661120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 20749, 21120, 41498, 62247, 82996, 103745, 124494, 165992, 207490, 228239, 248988, 311235, 331984, 414980, 456478, 497976, 622470, 663968, 684717, 829960, 912956, 995952, 1141195, 1244940, 1327936, 1369434, 1659920, 1825912, 1991904, 2282390, 2489880, 2655872, 2738868, 3319840, 3423585, 3651824, 3983808, 4564780, 4979760, 5477736, 6639680, 6847170, 7303648, 7967616, 9129560, 9959520, 10955472, 13279360, 13694340, 14607296, 18259120, 19919040, 21910944, 27388680, 29214592, 36518240, 39838080, 43821888, 54777360, 73036480, 87643776, 109554720, 146072960, 219109440, 438218880]

約数ペア:

[(1, 438218880), (2, 219109440), (3, 146072960), (4, 109554720), (5, 87643776), (6, 73036480), (8, 54777360), (10, 43821888), (11, 39838080), (12, 36518240), (15, 29214592), (16, 27388680), (20, 21910944), (22, 19919040), (24, 18259120), (30, 14607296), (32, 13694340), (33, 13279360), (40, 10955472), (44, 9959520), (48, 9129560), (55, 7967616), (60, 7303648), (64, 6847170), (66, 6639680), (80, 5477736), (88, 4979760), (96, 4564780), (110, 3983808), (120, 3651824), (128, 3423585), (132, 3319840), (160, 2738868), (165, 2655872), (176, 2489880), (192, 2282390), (220, 1991904), (240, 1825912), (264, 1659920), (320, 1369434), (330, 1327936), (352, 1244940), (384, 1141195), (440, 995952), (480, 912956), (528, 829960), (640, 684717), (660, 663968), (704, 622470), (880, 497976), (960, 456478), (1056, 414980), (1320, 331984), (1408, 311235), (1760, 248988), (1920, 228239), (2112, 207490), (2640, 165992), (3520, 124494), (4224, 103745), (5280, 82996), (7040, 62247), (10560, 41498), (20749, 21120)]