80797440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 263577888

約数和(自身を除く): 182780448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 397, 424, 480, 530, 636, 640, 768, 794, 795, 848, 960, 1060, 1191, 1272, 1280, 1588, 1590, 1696, 1920, 1985, 2120, 2382, 2544, 3176, 3180, 3392, 3840, 3970, 4240, 4764, 5088, 5955, 6352, 6360, 6784, 7940, 8480, 9528, 10176, 11910, 12704, 12720, 13568, 15880, 16960, 19056, 20352, 21041, 23820, 25408, 25440, 31760, 33920, 38112, 40704, 42082, 47640, 50816, 50880, 63123, 63520, 67840, 76224, 84164, 95280, 101632, 101760, 105205, 126246, 127040, 152448, 168328, 190560, 203520, 210410, 252492, 254080, 304896, 315615, 336656, 381120, 420820, 504984, 508160, 631230, 673312, 762240, 841640, 1009968, 1262460, 1346624, 1524480, 1683280, 2019936, 2524920, 2693248, 3366560, 4039872, 5049840, 5386496, 6733120, 8079744, 10099680, 13466240, 16159488, 20199360, 26932480, 40398720, 80797440]

約数ペア:

[(1, 80797440), (2, 40398720), (3, 26932480), (4, 20199360), (5, 16159488), (6, 13466240), (8, 10099680), (10, 8079744), (12, 6733120), (15, 5386496), (16, 5049840), (20, 4039872), (24, 3366560), (30, 2693248), (32, 2524920), (40, 2019936), (48, 1683280), (53, 1524480), (60, 1346624), (64, 1262460), (80, 1009968), (96, 841640), (106, 762240), (120, 673312), (128, 631230), (159, 508160), (160, 504984), (192, 420820), (212, 381120), (240, 336656), (256, 315615), (265, 304896), (318, 254080), (320, 252492), (384, 210410), (397, 203520), (424, 190560), (480, 168328), (530, 152448), (636, 127040), (640, 126246), (768, 105205), (794, 101760), (795, 101632), (848, 95280), (960, 84164), (1060, 76224), (1191, 67840), (1272, 63520), (1280, 63123), (1588, 50880), (1590, 50816), (1696, 47640), (1920, 42082), (1985, 40704), (2120, 38112), (2382, 33920), (2544, 31760), (3176, 25440), (3180, 25408), (3392, 23820), (3840, 21041), (3970, 20352), (4240, 19056), (4764, 16960), (5088, 15880), (5955, 13568), (6352, 12720), (6360, 12704), (6784, 11910), (7940, 10176), (8480, 9528)]