256417470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 681408000

約数和(自身を除く): 424990530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 139, 199, 206, 278, 309, 398, 417, 515, 597, 618, 695, 834, 927, 995, 1030, 1194, 1251, 1390, 1545, 1791, 1854, 1990, 2085, 2502, 2985, 3090, 3582, 4170, 4635, 5970, 6255, 8955, 9270, 12510, 14317, 17910, 20497, 27661, 28634, 40994, 42951, 55322, 61491, 71585, 82983, 85902, 102485, 122982, 128853, 138305, 143170, 165966, 184473, 204970, 214755, 248949, 257706, 276610, 307455, 368946, 414915, 429510, 497898, 614910, 644265, 829830, 922365, 1244745, 1288530, 1844730, 2489490, 2849083, 5698166, 8547249, 14245415, 17094498, 25641747, 28490830, 42736245, 51283494, 85472490, 128208735, 256417470]

約数ペア:

[(1, 256417470), (2, 128208735), (3, 85472490), (5, 51283494), (6, 42736245), (9, 28490830), (10, 25641747), (15, 17094498), (18, 14245415), (30, 8547249), (45, 5698166), (90, 2849083), (103, 2489490), (139, 1844730), (199, 1288530), (206, 1244745), (278, 922365), (309, 829830), (398, 644265), (417, 614910), (515, 497898), (597, 429510), (618, 414915), (695, 368946), (834, 307455), (927, 276610), (995, 257706), (1030, 248949), (1194, 214755), (1251, 204970), (1390, 184473), (1545, 165966), (1791, 143170), (1854, 138305), (1990, 128853), (2085, 122982), (2502, 102485), (2985, 85902), (3090, 82983), (3582, 71585), (4170, 61491), (4635, 55322), (5970, 42951), (6255, 40994), (8955, 28634), (9270, 27661), (12510, 20497), (14317, 17910)]