68378720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 172730880

約数和(自身を除く): 104352160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 83, 95, 152, 160, 166, 190, 271, 304, 332, 380, 415, 542, 608, 664, 760, 830, 1084, 1328, 1355, 1520, 1577, 1660, 2168, 2656, 2710, 3040, 3154, 3320, 4336, 5149, 5420, 6308, 6640, 7885, 8672, 10298, 10840, 12616, 13280, 15770, 20596, 21680, 22493, 25232, 25745, 31540, 41192, 43360, 44986, 50464, 51490, 63080, 82384, 89972, 102980, 112465, 126160, 164768, 179944, 205960, 224930, 252320, 359888, 411920, 427367, 449860, 719776, 823840, 854734, 899720, 1709468, 1799440, 2136835, 3418936, 3598880, 4273670, 6837872, 8547340, 13675744, 17094680, 34189360, 68378720]

約数ペア:

[(1, 68378720), (2, 34189360), (4, 17094680), (5, 13675744), (8, 8547340), (10, 6837872), (16, 4273670), (19, 3598880), (20, 3418936), (32, 2136835), (38, 1799440), (40, 1709468), (76, 899720), (80, 854734), (83, 823840), (95, 719776), (152, 449860), (160, 427367), (166, 411920), (190, 359888), (271, 252320), (304, 224930), (332, 205960), (380, 179944), (415, 164768), (542, 126160), (608, 112465), (664, 102980), (760, 89972), (830, 82384), (1084, 63080), (1328, 51490), (1355, 50464), (1520, 44986), (1577, 43360), (1660, 41192), (2168, 31540), (2656, 25745), (2710, 25232), (3040, 22493), (3154, 21680), (3320, 20596), (4336, 15770), (5149, 13280), (5420, 12616), (6308, 10840), (6640, 10298), (7885, 8672)]