257548480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4999}}^1$

素因数の和:5046

約数の個数: 112

約数和(自身を含む): 731520000

約数和(自身を除く): 473971520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 4999, 5152, 6440, 7360, 9998, 10304, 12880, 19996, 24995, 25760, 34993, 39992, 49990, 51520, 69986, 79984, 99980, 114977, 139972, 159968, 174965, 199960, 229954, 279944, 319936, 349930, 399920, 459908, 559888, 574885, 699860, 799840, 804839, 919816, 1119776, 1149770, 1399720, 1599680, 1609678, 1839632, 2239552, 2299540, 2799440, 3219356, 3679264, 4024195, 4599080, 5598880, 6438712, 7358528, 8048390, 9198160, 11197760, 12877424, 16096780, 18396320, 25754848, 32193560, 36792640, 51509696, 64387120, 128774240, 257548480]

約数ペア:

[(1, 257548480), (2, 128774240), (4, 64387120), (5, 51509696), (7, 36792640), (8, 32193560), (10, 25754848), (14, 18396320), (16, 16096780), (20, 12877424), (23, 11197760), (28, 9198160), (32, 8048390), (35, 7358528), (40, 6438712), (46, 5598880), (56, 4599080), (64, 4024195), (70, 3679264), (80, 3219356), (92, 2799440), (112, 2299540), (115, 2239552), (140, 1839632), (160, 1609678), (161, 1599680), (184, 1399720), (224, 1149770), (230, 1119776), (280, 919816), (320, 804839), (322, 799840), (368, 699860), (448, 574885), (460, 559888), (560, 459908), (644, 399920), (736, 349930), (805, 319936), (920, 279944), (1120, 229954), (1288, 199960), (1472, 174965), (1610, 159968), (1840, 139972), (2240, 114977), (2576, 99980), (3220, 79984), (3680, 69986), (4999, 51520), (5152, 49990), (6440, 39992), (7360, 34993), (9998, 25760), (10304, 24995), (12880, 19996)]