648891648

素因数分解:

$2^8\times 3^7\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 2078339200

約数和(自身を除く): 1429447552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 61, 64, 72, 76, 81, 96, 108, 114, 122, 128, 144, 152, 162, 171, 183, 192, 216, 228, 243, 244, 256, 288, 304, 324, 342, 366, 384, 432, 456, 486, 488, 513, 549, 576, 608, 648, 684, 729, 732, 768, 864, 912, 972, 976, 1026, 1098, 1152, 1159, 1216, 1296, 1368, 1458, 1464, 1539, 1647, 1728, 1824, 1944, 1952, 2052, 2187, 2196, 2304, 2318, 2432, 2592, 2736, 2916, 2928, 3078, 3294, 3456, 3477, 3648, 3888, 3904, 4104, 4374, 4392, 4617, 4636, 4864, 4941, 5184, 5472, 5832, 5856, 6156, 6588, 6912, 6954, 7296, 7776, 7808, 8208, 8748, 8784, 9234, 9272, 9882, 10368, 10431, 10944, 11664, 11712, 12312, 13176, 13851, 13908, 14592, 14823, 15552, 15616, 16416, 17496, 17568, 18468, 18544, 19764, 20736, 20862, 21888, 23328, 23424, 24624, 26352, 27702, 27816, 29646, 31104, 31293, 32832, 34992, 35136, 36936, 37088, 39528, 41553, 41724, 43776, 44469, 46656, 46848, 49248, 52704, 55404, 55632, 59292, 62208, 62586, 65664, 69984, 70272, 73872, 74176, 79056, 83106, 83448, 88938, 93312, 93879, 98496, 105408, 110808, 111264, 118584, 125172, 131328, 133407, 139968, 140544, 147744, 148352, 158112, 166212, 166896, 177876, 186624, 187758, 196992, 210816, 221616, 222528, 237168, 250344, 266814, 279936, 281637, 295488, 296704, 316224, 332424, 333792, 355752, 375516, 393984, 421632, 443232, 445056, 474336, 500688, 533628, 559872, 563274, 590976, 632448, 664848, 667584, 711504, 751032, 844911, 886464, 890112, 948672, 1001376, 1067256, 1126548, 1181952, 1264896, 1329696, 1335168, 1423008, 1502064, 1689822, 1772928, 1897344, 2002752, 2134512, 2253096, 2534733, 2659392, 2670336, 2846016, 3004128, 3379644, 3545856, 3794688, 4005504, 4269024, 4506192, 5069466, 5318784, 5692032, 6008256, 6759288, 8011008, 8538048, 9012384, 10138932, 10637568, 11384064, 12016512, 13518576, 17076096, 18024768, 20277864, 24033024, 27037152, 34152192, 36049536, 40555728, 54074304, 72099072, 81111456, 108148608, 162222912, 216297216, 324445824, 648891648]

約数ペア:

[(1, 648891648), (2, 324445824), (3, 216297216), (4, 162222912), (6, 108148608), (8, 81111456), (9, 72099072), (12, 54074304), (16, 40555728), (18, 36049536), (19, 34152192), (24, 27037152), (27, 24033024), (32, 20277864), (36, 18024768), (38, 17076096), (48, 13518576), (54, 12016512), (57, 11384064), (61, 10637568), (64, 10138932), (72, 9012384), (76, 8538048), (81, 8011008), (96, 6759288), (108, 6008256), (114, 5692032), (122, 5318784), (128, 5069466), (144, 4506192), (152, 4269024), (162, 4005504), (171, 3794688), (183, 3545856), (192, 3379644), (216, 3004128), (228, 2846016), (243, 2670336), (244, 2659392), (256, 2534733), (288, 2253096), (304, 2134512), (324, 2002752), (342, 1897344), (366, 1772928), (384, 1689822), (432, 1502064), (456, 1423008), (486, 1335168), (488, 1329696), (513, 1264896), (549, 1181952), (576, 1126548), (608, 1067256), (648, 1001376), (684, 948672), (729, 890112), (732, 886464), (768, 844911), (864, 751032), (912, 711504), (972, 667584), (976, 664848), (1026, 632448), (1098, 590976), (1152, 563274), (1159, 559872), (1216, 533628), (1296, 500688), (1368, 474336), (1458, 445056), (1464, 443232), (1539, 421632), (1647, 393984), (1728, 375516), (1824, 355752), (1944, 333792), (1952, 332424), (2052, 316224), (2187, 296704), (2196, 295488), (2304, 281637), (2318, 279936), (2432, 266814), (2592, 250344), (2736, 237168), (2916, 222528), (2928, 221616), (3078, 210816), (3294, 196992), (3456, 187758), (3477, 186624), (3648, 177876), (3888, 166896), (3904, 166212), (4104, 158112), (4374, 148352), (4392, 147744), (4617, 140544), (4636, 139968), (4864, 133407), (4941, 131328), (5184, 125172), (5472, 118584), (5832, 111264), (5856, 110808), (6156, 105408), (6588, 98496), (6912, 93879), (6954, 93312), (7296, 88938), (7776, 83448), (7808, 83106), (8208, 79056), (8748, 74176), (8784, 73872), (9234, 70272), (9272, 69984), (9882, 65664), (10368, 62586), (10431, 62208), (10944, 59292), (11664, 55632), (11712, 55404), (12312, 52704), (13176, 49248), (13851, 46848), (13908, 46656), (14592, 44469), (14823, 43776), (15552, 41724), (15616, 41553), (16416, 39528), (17496, 37088), (17568, 36936), (18468, 35136), (18544, 34992), (19764, 32832), (20736, 31293), (20862, 31104), (21888, 29646), (23328, 27816), (23424, 27702), (24624, 26352)]