18000840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 45503160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1049, 1144, 1320, 1430, 1560, 1716, 2098, 2145, 2860, 3147, 3432, 4196, 4290, 5245, 5720, 6294, 8392, 8580, 10490, 11539, 12588, 13637, 15735, 17160, 20980, 23078, 25176, 27274, 31470, 34617, 40911, 41960, 46156, 54548, 57695, 62940, 68185, 69234, 81822, 92312, 109096, 115390, 125880, 136370, 138468, 150007, 163644, 173085, 204555, 230780, 272740, 276936, 300014, 327288, 346170, 409110, 450021, 461560, 545480, 600028, 692340, 750035, 818220, 900042, 1200056, 1384680, 1500070, 1636440, 1800084, 2250105, 3000140, 3600168, 4500210, 6000280, 9000420, 18000840]

約数ペア:

[(1, 18000840), (2, 9000420), (3, 6000280), (4, 4500210), (5, 3600168), (6, 3000140), (8, 2250105), (10, 1800084), (11, 1636440), (12, 1500070), (13, 1384680), (15, 1200056), (20, 900042), (22, 818220), (24, 750035), (26, 692340), (30, 600028), (33, 545480), (39, 461560), (40, 450021), (44, 409110), (52, 346170), (55, 327288), (60, 300014), (65, 276936), (66, 272740), (78, 230780), (88, 204555), (104, 173085), (110, 163644), (120, 150007), (130, 138468), (132, 136370), (143, 125880), (156, 115390), (165, 109096), (195, 92312), (220, 81822), (260, 69234), (264, 68185), (286, 62940), (312, 57695), (330, 54548), (390, 46156), (429, 41960), (440, 40911), (520, 34617), (572, 31470), (660, 27274), (715, 25176), (780, 23078), (858, 20980), (1049, 17160), (1144, 15735), (1320, 13637), (1430, 12588), (1560, 11539), (1716, 10490), (2098, 8580), (2145, 8392), (2860, 6294), (3147, 5720), (3432, 5245), (4196, 4290)]