81795360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 196896480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 69, 80, 92, 93, 96, 115, 120, 124, 138, 155, 160, 184, 186, 230, 239, 240, 248, 276, 310, 345, 368, 372, 460, 465, 478, 480, 496, 552, 620, 690, 713, 717, 736, 744, 920, 930, 956, 992, 1104, 1195, 1240, 1380, 1426, 1434, 1488, 1840, 1860, 1912, 2139, 2208, 2390, 2480, 2760, 2852, 2868, 2976, 3565, 3585, 3680, 3720, 3824, 4278, 4780, 4960, 5497, 5520, 5704, 5736, 7130, 7170, 7409, 7440, 7648, 8556, 9560, 10695, 10994, 11040, 11408, 11472, 14260, 14340, 14818, 14880, 16491, 17112, 19120, 21390, 21988, 22227, 22816, 22944, 27485, 28520, 28680, 29636, 32982, 34224, 37045, 38240, 42780, 43976, 44454, 54970, 57040, 57360, 59272, 65964, 68448, 74090, 82455, 85560, 87952, 88908, 109940, 111135, 114080, 114720, 118544, 131928, 148180, 164910, 170407, 171120, 175904, 177816, 219880, 222270, 237088, 263856, 296360, 329820, 340814, 342240, 355632, 439760, 444540, 511221, 527712, 592720, 659640, 681628, 711264, 852035, 879520, 889080, 1022442, 1185440, 1319280, 1363256, 1704070, 1778160, 2044884, 2556105, 2638560, 2726512, 3408140, 3556320, 4089768, 5112210, 5453024, 6816280, 8179536, 10224420, 13632560, 16359072, 20448840, 27265120, 40897680, 81795360]

約数ペア:

[(1, 81795360), (2, 40897680), (3, 27265120), (4, 20448840), (5, 16359072), (6, 13632560), (8, 10224420), (10, 8179536), (12, 6816280), (15, 5453024), (16, 5112210), (20, 4089768), (23, 3556320), (24, 3408140), (30, 2726512), (31, 2638560), (32, 2556105), (40, 2044884), (46, 1778160), (48, 1704070), (60, 1363256), (62, 1319280), (69, 1185440), (80, 1022442), (92, 889080), (93, 879520), (96, 852035), (115, 711264), (120, 681628), (124, 659640), (138, 592720), (155, 527712), (160, 511221), (184, 444540), (186, 439760), (230, 355632), (239, 342240), (240, 340814), (248, 329820), (276, 296360), (310, 263856), (345, 237088), (368, 222270), (372, 219880), (460, 177816), (465, 175904), (478, 171120), (480, 170407), (496, 164910), (552, 148180), (620, 131928), (690, 118544), (713, 114720), (717, 114080), (736, 111135), (744, 109940), (920, 88908), (930, 87952), (956, 85560), (992, 82455), (1104, 74090), (1195, 68448), (1240, 65964), (1380, 59272), (1426, 57360), (1434, 57040), (1488, 54970), (1840, 44454), (1860, 43976), (1912, 42780), (2139, 38240), (2208, 37045), (2390, 34224), (2480, 32982), (2760, 29636), (2852, 28680), (2868, 28520), (2976, 27485), (3565, 22944), (3585, 22816), (3680, 22227), (3720, 21988), (3824, 21390), (4278, 19120), (4780, 17112), (4960, 16491), (5497, 14880), (5520, 14818), (5704, 14340), (5736, 14260), (7130, 11472), (7170, 11408), (7409, 11040), (7440, 10994), (7648, 10695), (8556, 9560)]