18227440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 53434080

約数和(自身を除く): 35206640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 269, 280, 308, 385, 440, 484, 538, 560, 605, 616, 770, 847, 880, 968, 1076, 1210, 1232, 1345, 1540, 1694, 1883, 1936, 2152, 2420, 2690, 2959, 3080, 3388, 3766, 4235, 4304, 4840, 5380, 5918, 6160, 6776, 7532, 8470, 9415, 9680, 10760, 11836, 13552, 14795, 15064, 16940, 18830, 20713, 21520, 23672, 29590, 30128, 32549, 33880, 37660, 41426, 47344, 59180, 65098, 67760, 75320, 82852, 103565, 118360, 130196, 150640, 162745, 165704, 207130, 227843, 236720, 260392, 325490, 331408, 414260, 455686, 520784, 650980, 828520, 911372, 1139215, 1301960, 1657040, 1822744, 2278430, 2603920, 3645488, 4556860, 9113720, 18227440]

約数ペア:

[(1, 18227440), (2, 9113720), (4, 4556860), (5, 3645488), (7, 2603920), (8, 2278430), (10, 1822744), (11, 1657040), (14, 1301960), (16, 1139215), (20, 911372), (22, 828520), (28, 650980), (35, 520784), (40, 455686), (44, 414260), (55, 331408), (56, 325490), (70, 260392), (77, 236720), (80, 227843), (88, 207130), (110, 165704), (112, 162745), (121, 150640), (140, 130196), (154, 118360), (176, 103565), (220, 82852), (242, 75320), (269, 67760), (280, 65098), (308, 59180), (385, 47344), (440, 41426), (484, 37660), (538, 33880), (560, 32549), (605, 30128), (616, 29590), (770, 23672), (847, 21520), (880, 20713), (968, 18830), (1076, 16940), (1210, 15064), (1232, 14795), (1345, 13552), (1540, 11836), (1694, 10760), (1883, 9680), (1936, 9415), (2152, 8470), (2420, 7532), (2690, 6776), (2959, 6160), (3080, 5918), (3388, 5380), (3766, 4840), (4235, 4304)]