290000880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30983}}^1$

素因数の和:31015

約数の個数: 120

約数和(自身を含む): 1048870368

約数和(自身を除く): 758869488

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, 2340, 3120, 4680, 9360, 30983, 61966, 92949, 123932, 154915, 185898, 247864, 278847, 309830, 371796, 402779, 464745, 495728, 557694, 619660, 743592, 805558, 929490, 1115388, 1208337, 1239320, 1394235, 1487184, 1611116, 1858980, 2013895, 2230776, 2416674, 2478640, 2788470, 3222232, 3625011, 3717960, 4027790, 4461552, 4833348, 5576940, 6041685, 6444464, 7250022, 7435920, 8055580, 9666696, 11153880, 12083370, 14500044, 16111160, 18125055, 19333392, 22307760, 24166740, 29000088, 32222320, 36250110, 48333480, 58000176, 72500220, 96666960, 145000440, 290000880]

約数ペア:

[(1, 290000880), (2, 145000440), (3, 96666960), (4, 72500220), (5, 58000176), (6, 48333480), (8, 36250110), (9, 32222320), (10, 29000088), (12, 24166740), (13, 22307760), (15, 19333392), (16, 18125055), (18, 16111160), (20, 14500044), (24, 12083370), (26, 11153880), (30, 9666696), (36, 8055580), (39, 7435920), (40, 7250022), (45, 6444464), (48, 6041685), (52, 5576940), (60, 4833348), (65, 4461552), (72, 4027790), (78, 3717960), (80, 3625011), (90, 3222232), (104, 2788470), (117, 2478640), (120, 2416674), (130, 2230776), (144, 2013895), (156, 1858980), (180, 1611116), (195, 1487184), (208, 1394235), (234, 1239320), (240, 1208337), (260, 1115388), (312, 929490), (360, 805558), (390, 743592), (468, 619660), (520, 557694), (585, 495728), (624, 464745), (720, 402779), (780, 371796), (936, 309830), (1040, 278847), (1170, 247864), (1560, 185898), (1872, 154915), (2340, 123932), (3120, 92949), (4680, 61966), (9360, 30983)]