256575648

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1999}}^1$

素因数の和:2210

約数の個数: 96

約数和(自身を含む): 774144000

約数和(自身を除く): 517568352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 191, 224, 336, 382, 573, 672, 764, 1146, 1337, 1528, 1999, 2292, 2674, 3056, 3998, 4011, 4584, 5348, 5997, 6112, 7996, 8022, 9168, 10696, 11994, 13993, 15992, 16044, 18336, 21392, 23988, 27986, 31984, 32088, 41979, 42784, 47976, 55972, 63968, 64176, 83958, 95952, 111944, 128352, 167916, 191904, 223888, 335832, 381809, 447776, 671664, 763618, 1145427, 1343328, 1527236, 2290854, 2672663, 3054472, 4581708, 5345326, 6108944, 8017989, 9163416, 10690652, 12217888, 16035978, 18326832, 21381304, 32071956, 36653664, 42762608, 64143912, 85525216, 128287824, 256575648]

約数ペア:

[(1, 256575648), (2, 128287824), (3, 85525216), (4, 64143912), (6, 42762608), (7, 36653664), (8, 32071956), (12, 21381304), (14, 18326832), (16, 16035978), (21, 12217888), (24, 10690652), (28, 9163416), (32, 8017989), (42, 6108944), (48, 5345326), (56, 4581708), (84, 3054472), (96, 2672663), (112, 2290854), (168, 1527236), (191, 1343328), (224, 1145427), (336, 763618), (382, 671664), (573, 447776), (672, 381809), (764, 335832), (1146, 223888), (1337, 191904), (1528, 167916), (1999, 128352), (2292, 111944), (2674, 95952), (3056, 83958), (3998, 64176), (4011, 63968), (4584, 55972), (5348, 47976), (5997, 42784), (6112, 41979), (7996, 32088), (8022, 31984), (9168, 27986), (10696, 23988), (11994, 21392), (13993, 18336), (15992, 16044)]