256107840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{739}}^1$

素因数の和:797

約数の個数: 168

約数和(自身を含む): 859353120

約数和(自身を除く): 603245280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 361, 380, 456, 480, 570, 608, 722, 739, 760, 912, 960, 1083, 1140, 1216, 1444, 1478, 1520, 1805, 1824, 2166, 2217, 2280, 2888, 2956, 3040, 3610, 3648, 3695, 4332, 4434, 4560, 5415, 5776, 5912, 6080, 7220, 7390, 8664, 8868, 9120, 10830, 11085, 11552, 11824, 14041, 14440, 14780, 17328, 17736, 18240, 21660, 22170, 23104, 23648, 28082, 28880, 29560, 34656, 35472, 42123, 43320, 44340, 47296, 56164, 57760, 59120, 69312, 70205, 70944, 84246, 86640, 88680, 112328, 115520, 118240, 140410, 141888, 168492, 173280, 177360, 210615, 224656, 236480, 266779, 280820, 336984, 346560, 354720, 421230, 449312, 533558, 561640, 673968, 709440, 800337, 842460, 898624, 1067116, 1123280, 1333895, 1347936, 1600674, 1684920, 2134232, 2246560, 2667790, 2695872, 3201348, 3369840, 4001685, 4268464, 4493120, 5335580, 6402696, 6739680, 8003370, 8536928, 10671160, 12805392, 13479360, 16006740, 17073856, 21342320, 25610784, 32013480, 42684640, 51221568, 64026960, 85369280, 128053920, 256107840]

約数ペア:

[(1, 256107840), (2, 128053920), (3, 85369280), (4, 64026960), (5, 51221568), (6, 42684640), (8, 32013480), (10, 25610784), (12, 21342320), (15, 17073856), (16, 16006740), (19, 13479360), (20, 12805392), (24, 10671160), (30, 8536928), (32, 8003370), (38, 6739680), (40, 6402696), (48, 5335580), (57, 4493120), (60, 4268464), (64, 4001685), (76, 3369840), (80, 3201348), (95, 2695872), (96, 2667790), (114, 2246560), (120, 2134232), (152, 1684920), (160, 1600674), (190, 1347936), (192, 1333895), (228, 1123280), (240, 1067116), (285, 898624), (304, 842460), (320, 800337), (361, 709440), (380, 673968), (456, 561640), (480, 533558), (570, 449312), (608, 421230), (722, 354720), (739, 346560), (760, 336984), (912, 280820), (960, 266779), (1083, 236480), (1140, 224656), (1216, 210615), (1444, 177360), (1478, 173280), (1520, 168492), (1805, 141888), (1824, 140410), (2166, 118240), (2217, 115520), (2280, 112328), (2888, 88680), (2956, 86640), (3040, 84246), (3610, 70944), (3648, 70205), (3695, 69312), (4332, 59120), (4434, 57760), (4560, 56164), (5415, 47296), (5776, 44340), (5912, 43320), (6080, 42123), (7220, 35472), (7390, 34656), (8664, 29560), (8868, 28880), (9120, 28082), (10830, 23648), (11085, 23104), (11552, 22170), (11824, 21660), (14041, 18240), (14440, 17736), (14780, 17328)]