640513104

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1358

約数の個数: 240

約数和(自身を含む): 2212001280

約数和(自身を除く): 1571488176

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 44, 48, 49, 56, 57, 66, 76, 77, 84, 88, 98, 112, 114, 132, 133, 147, 152, 154, 168, 176, 196, 209, 228, 231, 264, 266, 294, 304, 308, 336, 392, 399, 418, 456, 462, 528, 532, 539, 588, 616, 627, 784, 798, 836, 912, 924, 931, 1064, 1078, 1176, 1232, 1254, 1303, 1463, 1596, 1617, 1672, 1848, 1862, 2128, 2156, 2352, 2508, 2606, 2793, 2926, 3192, 3234, 3344, 3696, 3724, 3909, 4312, 4389, 5016, 5212, 5586, 5852, 6384, 6468, 7448, 7818, 8624, 8778, 9121, 10032, 10241, 10424, 11172, 11704, 12936, 14333, 14896, 15636, 17556, 18242, 20482, 20848, 22344, 23408, 24757, 25872, 27363, 28666, 30723, 31272, 35112, 36484, 40964, 42999, 44688, 49514, 54726, 57332, 61446, 62544, 63847, 70224, 72968, 74271, 81928, 85998, 99028, 100331, 109452, 114664, 122892, 127694, 145936, 148542, 163856, 171996, 173299, 191541, 198056, 200662, 218904, 229328, 245784, 255388, 272327, 297084, 300993, 343992, 346598, 383082, 396112, 401324, 437808, 491568, 510776, 519897, 544654, 594168, 601986, 687984, 693196, 702317, 766164, 802648, 816981, 1021552, 1039794, 1089308, 1188336, 1203972, 1213093, 1386392, 1404634, 1532328, 1605296, 1633962, 1906289, 2079588, 2106951, 2178616, 2407944, 2426186, 2772784, 2809268, 3064656, 3267924, 3639279, 3812578, 4159176, 4213902, 4357232, 4815888, 4852372, 5618536, 5718867, 6535848, 7278558, 7625156, 8318352, 8427804, 9704744, 11237072, 11437734, 13071696, 13344023, 14557116, 15250312, 16855608, 19409488, 22875468, 26688046, 29114232, 30500624, 33711216, 40032069, 45750936, 53376092, 58228464, 80064138, 91501872, 106752184, 160128276, 213504368, 320256552, 640513104]

約数ペア:

[(1, 640513104), (2, 320256552), (3, 213504368), (4, 160128276), (6, 106752184), (7, 91501872), (8, 80064138), (11, 58228464), (12, 53376092), (14, 45750936), (16, 40032069), (19, 33711216), (21, 30500624), (22, 29114232), (24, 26688046), (28, 22875468), (33, 19409488), (38, 16855608), (42, 15250312), (44, 14557116), (48, 13344023), (49, 13071696), (56, 11437734), (57, 11237072), (66, 9704744), (76, 8427804), (77, 8318352), (84, 7625156), (88, 7278558), (98, 6535848), (112, 5718867), (114, 5618536), (132, 4852372), (133, 4815888), (147, 4357232), (152, 4213902), (154, 4159176), (168, 3812578), (176, 3639279), (196, 3267924), (209, 3064656), (228, 2809268), (231, 2772784), (264, 2426186), (266, 2407944), (294, 2178616), (304, 2106951), (308, 2079588), (336, 1906289), (392, 1633962), (399, 1605296), (418, 1532328), (456, 1404634), (462, 1386392), (528, 1213093), (532, 1203972), (539, 1188336), (588, 1089308), (616, 1039794), (627, 1021552), (784, 816981), (798, 802648), (836, 766164), (912, 702317), (924, 693196), (931, 687984), (1064, 601986), (1078, 594168), (1176, 544654), (1232, 519897), (1254, 510776), (1303, 491568), (1463, 437808), (1596, 401324), (1617, 396112), (1672, 383082), (1848, 346598), (1862, 343992), (2128, 300993), (2156, 297084), (2352, 272327), (2508, 255388), (2606, 245784), (2793, 229328), (2926, 218904), (3192, 200662), (3234, 198056), (3344, 191541), (3696, 173299), (3724, 171996), (3909, 163856), (4312, 148542), (4389, 145936), (5016, 127694), (5212, 122892), (5586, 114664), (5852, 109452), (6384, 100331), (6468, 99028), (7448, 85998), (7818, 81928), (8624, 74271), (8778, 72968), (9121, 70224), (10032, 63847), (10241, 62544), (10424, 61446), (11172, 57332), (11704, 54726), (12936, 49514), (14333, 44688), (14896, 42999), (15636, 40964), (17556, 36484), (18242, 35112), (20482, 31272), (20848, 30723), (22344, 28666), (23408, 27363), (24757, 25872)]