311685408

素因数分解:

$2^5\times 3^6\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 168

約数和(自身を含む): 951906816

約数和(自身を除く): 640221408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 243, 248, 279, 288, 324, 372, 431, 432, 486, 496, 558, 648, 729, 744, 837, 862, 864, 972, 992, 1116, 1293, 1296, 1458, 1488, 1674, 1724, 1944, 2232, 2511, 2586, 2592, 2916, 2976, 3348, 3448, 3879, 3888, 4464, 5022, 5172, 5832, 6696, 6896, 7533, 7758, 7776, 8928, 10044, 10344, 11637, 11664, 13361, 13392, 13792, 15066, 15516, 20088, 20688, 22599, 23274, 23328, 26722, 26784, 30132, 31032, 34911, 40083, 40176, 41376, 45198, 46548, 53444, 60264, 62064, 69822, 80166, 80352, 90396, 93096, 104733, 106888, 120249, 120528, 124128, 139644, 160332, 180792, 186192, 209466, 213776, 240498, 241056, 279288, 314199, 320664, 360747, 361584, 372384, 418932, 427552, 480996, 558576, 628398, 641328, 721494, 723168, 837864, 961992, 1082241, 1117152, 1256796, 1282656, 1442988, 1675728, 1923984, 2164482, 2513592, 2885976, 3246723, 3351456, 3847968, 4328964, 5027184, 5771952, 6493446, 8657928, 9740169, 10054368, 11543904, 12986892, 17315856, 19480338, 25973784, 34631712, 38960676, 51947568, 77921352, 103895136, 155842704, 311685408]

約数ペア:

[(1, 311685408), (2, 155842704), (3, 103895136), (4, 77921352), (6, 51947568), (8, 38960676), (9, 34631712), (12, 25973784), (16, 19480338), (18, 17315856), (24, 12986892), (27, 11543904), (31, 10054368), (32, 9740169), (36, 8657928), (48, 6493446), (54, 5771952), (62, 5027184), (72, 4328964), (81, 3847968), (93, 3351456), (96, 3246723), (108, 2885976), (124, 2513592), (144, 2164482), (162, 1923984), (186, 1675728), (216, 1442988), (243, 1282656), (248, 1256796), (279, 1117152), (288, 1082241), (324, 961992), (372, 837864), (431, 723168), (432, 721494), (486, 641328), (496, 628398), (558, 558576), (648, 480996), (729, 427552), (744, 418932), (837, 372384), (862, 361584), (864, 360747), (972, 320664), (992, 314199), (1116, 279288), (1293, 241056), (1296, 240498), (1458, 213776), (1488, 209466), (1674, 186192), (1724, 180792), (1944, 160332), (2232, 139644), (2511, 124128), (2586, 120528), (2592, 120249), (2916, 106888), (2976, 104733), (3348, 93096), (3448, 90396), (3879, 80352), (3888, 80166), (4464, 69822), (5022, 62064), (5172, 60264), (5832, 53444), (6696, 46548), (6896, 45198), (7533, 41376), (7758, 40176), (7776, 40083), (8928, 34911), (10044, 31032), (10344, 30132), (11637, 26784), (11664, 26722), (13361, 23328), (13392, 23274), (13792, 22599), (15066, 20688), (15516, 20088)]