81367560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 192

約数和(自身を含む): 285742080

約数和(自身を除く): 204374520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 72, 90, 92, 93, 115, 120, 124, 138, 155, 180, 184, 186, 207, 230, 248, 276, 279, 310, 317, 345, 360, 372, 414, 460, 465, 552, 558, 620, 634, 690, 713, 744, 828, 920, 930, 951, 1035, 1116, 1240, 1268, 1380, 1395, 1426, 1585, 1656, 1860, 1902, 2070, 2139, 2232, 2536, 2760, 2790, 2852, 2853, 3170, 3565, 3720, 3804, 4140, 4278, 4755, 5580, 5704, 5706, 6340, 6417, 7130, 7291, 7608, 8280, 8556, 9510, 9827, 10695, 11160, 11412, 12680, 12834, 14260, 14265, 14582, 17112, 19020, 19654, 21390, 21873, 22824, 25668, 28520, 28530, 29164, 29481, 32085, 36455, 38040, 39308, 42780, 43746, 49135, 51336, 57060, 58328, 58962, 64170, 65619, 72910, 78616, 85560, 87492, 88443, 98270, 109365, 114120, 117924, 128340, 131238, 145820, 147405, 174984, 176886, 196540, 218730, 226021, 235848, 256680, 262476, 291640, 294810, 328095, 353772, 393080, 437460, 442215, 452042, 524952, 589620, 656190, 678063, 707544, 874920, 884430, 904084, 1130105, 1179240, 1312380, 1356126, 1768860, 1808168, 2034189, 2260210, 2624760, 2712252, 3390315, 3537720, 4068378, 4520420, 5424504, 6780630, 8136756, 9040840, 10170945, 13561260, 16273512, 20341890, 27122520, 40683780, 81367560]

約数ペア:

[(1, 81367560), (2, 40683780), (3, 27122520), (4, 20341890), (5, 16273512), (6, 13561260), (8, 10170945), (9, 9040840), (10, 8136756), (12, 6780630), (15, 5424504), (18, 4520420), (20, 4068378), (23, 3537720), (24, 3390315), (30, 2712252), (31, 2624760), (36, 2260210), (40, 2034189), (45, 1808168), (46, 1768860), (60, 1356126), (62, 1312380), (69, 1179240), (72, 1130105), (90, 904084), (92, 884430), (93, 874920), (115, 707544), (120, 678063), (124, 656190), (138, 589620), (155, 524952), (180, 452042), (184, 442215), (186, 437460), (207, 393080), (230, 353772), (248, 328095), (276, 294810), (279, 291640), (310, 262476), (317, 256680), (345, 235848), (360, 226021), (372, 218730), (414, 196540), (460, 176886), (465, 174984), (552, 147405), (558, 145820), (620, 131238), (634, 128340), (690, 117924), (713, 114120), (744, 109365), (828, 98270), (920, 88443), (930, 87492), (951, 85560), (1035, 78616), (1116, 72910), (1240, 65619), (1268, 64170), (1380, 58962), (1395, 58328), (1426, 57060), (1585, 51336), (1656, 49135), (1860, 43746), (1902, 42780), (2070, 39308), (2139, 38040), (2232, 36455), (2536, 32085), (2760, 29481), (2790, 29164), (2852, 28530), (2853, 28520), (3170, 25668), (3565, 22824), (3720, 21873), (3804, 21390), (4140, 19654), (4278, 19020), (4755, 17112), (5580, 14582), (5704, 14265), (5706, 14260), (6340, 12834), (6417, 12680), (7130, 11412), (7291, 11160), (7608, 10695), (8280, 9827), (8556, 9510)]