128550816

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{2243}}^1$

素因数の和:2458

約数の個数: 72

約数和(自身を含む): 367567200

約数和(自身を除く): 239016384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 398, 597, 796, 1194, 1592, 1791, 2243, 2388, 3184, 3582, 4486, 4776, 6368, 6729, 7164, 8972, 9552, 13458, 14328, 17944, 19104, 20187, 26916, 28656, 35888, 40374, 53832, 57312, 71776, 80748, 107664, 161496, 215328, 322992, 446357, 645984, 892714, 1339071, 1785428, 2678142, 3570856, 4017213, 5356284, 7141712, 8034426, 10712568, 14283424, 16068852, 21425136, 32137704, 42850272, 64275408, 128550816]

約数ペア:

[(1, 128550816), (2, 64275408), (3, 42850272), (4, 32137704), (6, 21425136), (8, 16068852), (9, 14283424), (12, 10712568), (16, 8034426), (18, 7141712), (24, 5356284), (32, 4017213), (36, 3570856), (48, 2678142), (72, 1785428), (96, 1339071), (144, 892714), (199, 645984), (288, 446357), (398, 322992), (597, 215328), (796, 161496), (1194, 107664), (1592, 80748), (1791, 71776), (2243, 57312), (2388, 53832), (3184, 40374), (3582, 35888), (4486, 28656), (4776, 26916), (6368, 20187), (6729, 19104), (7164, 17944), (8972, 14328), (9552, 13458)]