18242640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1981

約数の個数: 120

約数和(自身を含む): 66011400

約数和(自身を除く): 47768760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 1949, 2340, 3120, 3898, 4680, 5847, 7796, 9360, 9745, 11694, 15592, 17541, 19490, 23388, 25337, 29235, 31184, 35082, 38980, 46776, 50674, 58470, 70164, 76011, 77960, 87705, 93552, 101348, 116940, 126685, 140328, 152022, 155920, 175410, 202696, 228033, 233880, 253370, 280656, 304044, 350820, 380055, 405392, 456066, 467760, 506740, 608088, 701640, 760110, 912132, 1013480, 1140165, 1216176, 1403280, 1520220, 1824264, 2026960, 2280330, 3040440, 3648528, 4560660, 6080880, 9121320, 18242640]

約数ペア:

[(1, 18242640), (2, 9121320), (3, 6080880), (4, 4560660), (5, 3648528), (6, 3040440), (8, 2280330), (9, 2026960), (10, 1824264), (12, 1520220), (13, 1403280), (15, 1216176), (16, 1140165), (18, 1013480), (20, 912132), (24, 760110), (26, 701640), (30, 608088), (36, 506740), (39, 467760), (40, 456066), (45, 405392), (48, 380055), (52, 350820), (60, 304044), (65, 280656), (72, 253370), (78, 233880), (80, 228033), (90, 202696), (104, 175410), (117, 155920), (120, 152022), (130, 140328), (144, 126685), (156, 116940), (180, 101348), (195, 93552), (208, 87705), (234, 77960), (240, 76011), (260, 70164), (312, 58470), (360, 50674), (390, 46776), (468, 38980), (520, 35082), (585, 31184), (624, 29235), (720, 25337), (780, 23388), (936, 19490), (1040, 17541), (1170, 15592), (1560, 11694), (1872, 9745), (1949, 9360), (2340, 7796), (3120, 5847), (3898, 4680)]