89809480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 135798200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 47, 62, 67, 92, 94, 115, 124, 134, 155, 184, 188, 230, 235, 248, 268, 310, 335, 376, 460, 470, 536, 620, 670, 713, 920, 940, 1081, 1240, 1340, 1426, 1457, 1541, 1880, 2077, 2162, 2680, 2852, 2914, 3082, 3149, 3565, 4154, 4324, 5405, 5704, 5828, 6164, 6298, 7130, 7285, 7705, 8308, 8648, 10385, 10810, 11656, 12328, 12596, 14260, 14570, 15410, 15745, 16616, 20770, 21620, 25192, 28520, 29140, 30820, 31490, 33511, 41540, 43240, 47771, 58280, 61640, 62980, 67022, 72427, 83080, 95542, 97619, 125960, 134044, 144854, 167555, 191084, 195238, 238855, 268088, 289708, 335110, 362135, 382168, 390476, 477710, 488095, 579416, 670220, 724270, 780952, 955420, 976190, 1340440, 1448540, 1910840, 1952380, 2245237, 2897080, 3904760, 4490474, 8980948, 11226185, 17961896, 22452370, 44904740, 89809480]

約数ペア:

[(1, 89809480), (2, 44904740), (4, 22452370), (5, 17961896), (8, 11226185), (10, 8980948), (20, 4490474), (23, 3904760), (31, 2897080), (40, 2245237), (46, 1952380), (47, 1910840), (62, 1448540), (67, 1340440), (92, 976190), (94, 955420), (115, 780952), (124, 724270), (134, 670220), (155, 579416), (184, 488095), (188, 477710), (230, 390476), (235, 382168), (248, 362135), (268, 335110), (310, 289708), (335, 268088), (376, 238855), (460, 195238), (470, 191084), (536, 167555), (620, 144854), (670, 134044), (713, 125960), (920, 97619), (940, 95542), (1081, 83080), (1240, 72427), (1340, 67022), (1426, 62980), (1457, 61640), (1541, 58280), (1880, 47771), (2077, 43240), (2162, 41540), (2680, 33511), (2852, 31490), (2914, 30820), (3082, 29140), (3149, 28520), (3565, 25192), (4154, 21620), (4324, 20770), (5405, 16616), (5704, 15745), (5828, 15410), (6164, 14570), (6298, 14260), (7130, 12596), (7285, 12328), (7705, 11656), (8308, 10810), (8648, 10385)]