31757440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 89449920

約数和(自身を除く): 57692480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 347, 352, 416, 440, 520, 572, 640, 694, 704, 715, 832, 880, 1040, 1144, 1388, 1408, 1430, 1664, 1735, 1760, 2080, 2288, 2776, 2860, 3470, 3520, 3817, 4160, 4511, 4576, 5552, 5720, 6940, 7040, 7634, 8320, 9022, 9152, 11104, 11440, 13880, 15268, 18044, 18304, 19085, 22208, 22555, 22880, 27760, 30536, 36088, 38170, 44416, 45110, 45760, 49621, 55520, 61072, 72176, 76340, 90220, 91520, 99242, 111040, 122144, 144352, 152680, 180440, 198484, 222080, 244288, 248105, 288704, 305360, 360880, 396968, 488576, 496210, 577408, 610720, 721760, 793936, 992420, 1221440, 1443520, 1587872, 1984840, 2442880, 2887040, 3175744, 3969680, 6351488, 7939360, 15878720, 31757440]

約数ペア:

[(1, 31757440), (2, 15878720), (4, 7939360), (5, 6351488), (8, 3969680), (10, 3175744), (11, 2887040), (13, 2442880), (16, 1984840), (20, 1587872), (22, 1443520), (26, 1221440), (32, 992420), (40, 793936), (44, 721760), (52, 610720), (55, 577408), (64, 496210), (65, 488576), (80, 396968), (88, 360880), (104, 305360), (110, 288704), (128, 248105), (130, 244288), (143, 222080), (160, 198484), (176, 180440), (208, 152680), (220, 144352), (260, 122144), (286, 111040), (320, 99242), (347, 91520), (352, 90220), (416, 76340), (440, 72176), (520, 61072), (572, 55520), (640, 49621), (694, 45760), (704, 45110), (715, 44416), (832, 38170), (880, 36088), (1040, 30536), (1144, 27760), (1388, 22880), (1408, 22555), (1430, 22208), (1664, 19085), (1735, 18304), (1760, 18044), (2080, 15268), (2288, 13880), (2776, 11440), (2860, 11104), (3470, 9152), (3520, 9022), (3817, 8320), (4160, 7634), (4511, 7040), (4576, 6940), (5552, 5720)]