340129520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 874229760

約数和(自身を除く): 534100240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 67, 80, 89, 92, 115, 124, 134, 155, 178, 184, 230, 248, 268, 310, 335, 356, 368, 445, 460, 496, 536, 620, 670, 712, 713, 890, 920, 1072, 1240, 1340, 1424, 1426, 1541, 1780, 1840, 2047, 2077, 2480, 2680, 2759, 2852, 3082, 3560, 3565, 4094, 4154, 5360, 5518, 5704, 5963, 6164, 7120, 7130, 7705, 8188, 8308, 10235, 10385, 11036, 11408, 11926, 12328, 13795, 14260, 15410, 16376, 16616, 20470, 20770, 22072, 23852, 24656, 27590, 28520, 29815, 30820, 32752, 33232, 40940, 41540, 44144, 47704, 47771, 55180, 57040, 59630, 61640, 63457, 81880, 83080, 95408, 95542, 110360, 119260, 123280, 126914, 137149, 163760, 166160, 184853, 191084, 220720, 238520, 238855, 253828, 274298, 317285, 369706, 382168, 477040, 477710, 507656, 548596, 634570, 685745, 739412, 764336, 924265, 955420, 1015312, 1097192, 1269140, 1371490, 1478824, 1848530, 1910840, 2194384, 2538280, 2742980, 2957648, 3697060, 3821680, 4251619, 5076560, 5485960, 7394120, 8503238, 10971920, 14788240, 17006476, 21258095, 34012952, 42516190, 68025904, 85032380, 170064760, 340129520]

約数ペア:

[(1, 340129520), (2, 170064760), (4, 85032380), (5, 68025904), (8, 42516190), (10, 34012952), (16, 21258095), (20, 17006476), (23, 14788240), (31, 10971920), (40, 8503238), (46, 7394120), (62, 5485960), (67, 5076560), (80, 4251619), (89, 3821680), (92, 3697060), (115, 2957648), (124, 2742980), (134, 2538280), (155, 2194384), (178, 1910840), (184, 1848530), (230, 1478824), (248, 1371490), (268, 1269140), (310, 1097192), (335, 1015312), (356, 955420), (368, 924265), (445, 764336), (460, 739412), (496, 685745), (536, 634570), (620, 548596), (670, 507656), (712, 477710), (713, 477040), (890, 382168), (920, 369706), (1072, 317285), (1240, 274298), (1340, 253828), (1424, 238855), (1426, 238520), (1541, 220720), (1780, 191084), (1840, 184853), (2047, 166160), (2077, 163760), (2480, 137149), (2680, 126914), (2759, 123280), (2852, 119260), (3082, 110360), (3560, 95542), (3565, 95408), (4094, 83080), (4154, 81880), (5360, 63457), (5518, 61640), (5704, 59630), (5963, 57040), (6164, 55180), (7120, 47771), (7130, 47704), (7705, 44144), (8188, 41540), (8308, 40940), (10235, 33232), (10385, 32752), (11036, 30820), (11408, 29815), (11926, 28520), (12328, 27590), (13795, 24656), (14260, 23852), (15410, 22072), (16376, 20770), (16616, 20470)]