259998984

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 879563520

約数和(自身を除く): 619564536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 43, 54, 56, 62, 63, 72, 81, 84, 86, 93, 108, 124, 126, 129, 162, 168, 172, 186, 189, 216, 217, 248, 252, 258, 279, 301, 324, 344, 372, 378, 387, 434, 504, 516, 558, 567, 602, 648, 651, 744, 756, 774, 837, 868, 903, 1032, 1116, 1134, 1161, 1204, 1302, 1333, 1512, 1548, 1674, 1736, 1806, 1849, 1953, 2232, 2268, 2322, 2408, 2511, 2604, 2666, 2709, 3096, 3348, 3483, 3612, 3698, 3906, 3999, 4536, 4644, 5022, 5208, 5332, 5418, 5547, 5859, 6696, 6966, 7224, 7396, 7812, 7998, 8127, 9288, 9331, 10044, 10664, 10836, 11094, 11718, 11997, 12943, 13932, 14792, 15624, 15996, 16254, 16641, 17577, 18662, 20088, 21672, 22188, 23436, 23994, 24381, 25886, 27864, 27993, 31992, 32508, 33282, 35154, 35991, 37324, 38829, 44376, 46872, 47988, 48762, 49923, 51772, 55986, 57319, 65016, 66564, 70308, 71982, 74648, 77658, 83979, 95976, 97524, 99846, 103544, 107973, 111972, 114638, 116487, 133128, 140616, 143964, 149769, 155316, 167958, 171957, 195048, 199692, 215946, 223944, 229276, 232974, 251937, 287928, 299538, 310632, 335916, 343914, 349461, 399384, 401233, 431892, 458552, 465948, 503874, 515871, 599076, 671832, 687828, 698922, 755811, 802466, 863784, 931896, 1007748, 1031742, 1048383, 1198152, 1203699, 1375656, 1397844, 1511622, 1547613, 1604932, 2015496, 2063484, 2096766, 2407398, 2795688, 3023244, 3095226, 3209864, 3611097, 4126968, 4193532, 4642839, 4814796, 6046488, 6190452, 7222194, 8387064, 9285678, 9629592, 10833291, 12380904, 14444388, 18571356, 21666582, 28888776, 32499873, 37142712, 43333164, 64999746, 86666328, 129999492, 259998984]

約数ペア:

[(1, 259998984), (2, 129999492), (3, 86666328), (4, 64999746), (6, 43333164), (7, 37142712), (8, 32499873), (9, 28888776), (12, 21666582), (14, 18571356), (18, 14444388), (21, 12380904), (24, 10833291), (27, 9629592), (28, 9285678), (31, 8387064), (36, 7222194), (42, 6190452), (43, 6046488), (54, 4814796), (56, 4642839), (62, 4193532), (63, 4126968), (72, 3611097), (81, 3209864), (84, 3095226), (86, 3023244), (93, 2795688), (108, 2407398), (124, 2096766), (126, 2063484), (129, 2015496), (162, 1604932), (168, 1547613), (172, 1511622), (186, 1397844), (189, 1375656), (216, 1203699), (217, 1198152), (248, 1048383), (252, 1031742), (258, 1007748), (279, 931896), (301, 863784), (324, 802466), (344, 755811), (372, 698922), (378, 687828), (387, 671832), (434, 599076), (504, 515871), (516, 503874), (558, 465948), (567, 458552), (602, 431892), (648, 401233), (651, 399384), (744, 349461), (756, 343914), (774, 335916), (837, 310632), (868, 299538), (903, 287928), (1032, 251937), (1116, 232974), (1134, 229276), (1161, 223944), (1204, 215946), (1302, 199692), (1333, 195048), (1512, 171957), (1548, 167958), (1674, 155316), (1736, 149769), (1806, 143964), (1849, 140616), (1953, 133128), (2232, 116487), (2268, 114638), (2322, 111972), (2408, 107973), (2511, 103544), (2604, 99846), (2666, 97524), (2709, 95976), (3096, 83979), (3348, 77658), (3483, 74648), (3612, 71982), (3698, 70308), (3906, 66564), (3999, 65016), (4536, 57319), (4644, 55986), (5022, 51772), (5208, 49923), (5332, 48762), (5418, 47988), (5547, 46872), (5859, 44376), (6696, 38829), (6966, 37324), (7224, 35991), (7396, 35154), (7812, 33282), (7998, 32508), (8127, 31992), (9288, 27993), (9331, 27864), (10044, 25886), (10664, 24381), (10836, 23994), (11094, 23436), (11718, 22188), (11997, 21672), (12943, 20088), (13932, 18662), (14792, 17577), (15624, 16641), (15996, 16254)]