201991920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:771

約数の個数: 160

約数和(自身を含む): 682081344

約数和(自身を除く): 480089424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 101, 104, 120, 130, 156, 195, 202, 208, 240, 260, 303, 312, 390, 404, 505, 520, 606, 624, 641, 780, 808, 1010, 1040, 1212, 1282, 1313, 1515, 1560, 1616, 1923, 2020, 2424, 2564, 2626, 3030, 3120, 3205, 3846, 3939, 4040, 4848, 5128, 5252, 6060, 6410, 6565, 7692, 7878, 8080, 8333, 9615, 10256, 10504, 12120, 12820, 13130, 15384, 15756, 16666, 19230, 19695, 21008, 24240, 24999, 25640, 26260, 30768, 31512, 33332, 38460, 39390, 41665, 49998, 51280, 52520, 63024, 64741, 66664, 76920, 78780, 83330, 99996, 105040, 124995, 129482, 133328, 153840, 157560, 166660, 194223, 199992, 249990, 258964, 315120, 323705, 333320, 388446, 399984, 499980, 517928, 647410, 666640, 776892, 841633, 971115, 999960, 1035856, 1294820, 1553784, 1683266, 1942230, 1999920, 2524899, 2589640, 3107568, 3366532, 3884460, 4208165, 5049798, 5179280, 6733064, 7768920, 8416330, 10099596, 12624495, 13466128, 15537840, 16832660, 20199192, 25248990, 33665320, 40398384, 50497980, 67330640, 100995960, 201991920]

約数ペア:

[(1, 201991920), (2, 100995960), (3, 67330640), (4, 50497980), (5, 40398384), (6, 33665320), (8, 25248990), (10, 20199192), (12, 16832660), (13, 15537840), (15, 13466128), (16, 12624495), (20, 10099596), (24, 8416330), (26, 7768920), (30, 6733064), (39, 5179280), (40, 5049798), (48, 4208165), (52, 3884460), (60, 3366532), (65, 3107568), (78, 2589640), (80, 2524899), (101, 1999920), (104, 1942230), (120, 1683266), (130, 1553784), (156, 1294820), (195, 1035856), (202, 999960), (208, 971115), (240, 841633), (260, 776892), (303, 666640), (312, 647410), (390, 517928), (404, 499980), (505, 399984), (520, 388446), (606, 333320), (624, 323705), (641, 315120), (780, 258964), (808, 249990), (1010, 199992), (1040, 194223), (1212, 166660), (1282, 157560), (1313, 153840), (1515, 133328), (1560, 129482), (1616, 124995), (1923, 105040), (2020, 99996), (2424, 83330), (2564, 78780), (2626, 76920), (3030, 66664), (3120, 64741), (3205, 63024), (3846, 52520), (3939, 51280), (4040, 49998), (4848, 41665), (5128, 39390), (5252, 38460), (6060, 33332), (6410, 31512), (6565, 30768), (7692, 26260), (7878, 25640), (8080, 24999), (8333, 24240), (9615, 21008), (10256, 19695), (10504, 19230), (12120, 16666), (12820, 15756), (13130, 15384)]