31118580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 103346880

約数和(自身を除く): 72228300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 337, 342, 380, 405, 486, 513, 540, 570, 674, 684, 810, 855, 972, 1011, 1026, 1140, 1215, 1348, 1539, 1620, 1685, 1710, 2022, 2052, 2430, 2565, 3033, 3078, 3370, 3420, 4044, 4617, 4860, 5055, 5130, 6066, 6156, 6403, 6740, 7695, 9099, 9234, 10110, 10260, 12132, 12806, 15165, 15390, 18198, 18468, 19209, 20220, 23085, 25612, 27297, 30330, 30780, 32015, 36396, 38418, 45495, 46170, 54594, 57627, 60660, 64030, 76836, 81891, 90990, 92340, 96045, 109188, 115254, 128060, 136485, 163782, 172881, 181980, 192090, 230508, 272970, 288135, 327564, 345762, 384180, 409455, 518643, 545940, 576270, 691524, 818910, 864405, 1037286, 1152540, 1555929, 1637820, 1728810, 2074572, 2593215, 3111858, 3457620, 5186430, 6223716, 7779645, 10372860, 15559290, 31118580]

約数ペア:

[(1, 31118580), (2, 15559290), (3, 10372860), (4, 7779645), (5, 6223716), (6, 5186430), (9, 3457620), (10, 3111858), (12, 2593215), (15, 2074572), (18, 1728810), (19, 1637820), (20, 1555929), (27, 1152540), (30, 1037286), (36, 864405), (38, 818910), (45, 691524), (54, 576270), (57, 545940), (60, 518643), (76, 409455), (81, 384180), (90, 345762), (95, 327564), (108, 288135), (114, 272970), (135, 230508), (162, 192090), (171, 181980), (180, 172881), (190, 163782), (228, 136485), (243, 128060), (270, 115254), (285, 109188), (324, 96045), (337, 92340), (342, 90990), (380, 81891), (405, 76836), (486, 64030), (513, 60660), (540, 57627), (570, 54594), (674, 46170), (684, 45495), (810, 38418), (855, 36396), (972, 32015), (1011, 30780), (1026, 30330), (1140, 27297), (1215, 25612), (1348, 23085), (1539, 20220), (1620, 19209), (1685, 18468), (1710, 18198), (2022, 15390), (2052, 15165), (2430, 12806), (2565, 12132), (3033, 10260), (3078, 10110), (3370, 9234), (3420, 9099), (4044, 7695), (4617, 6740), (4860, 6403), (5055, 6156), (5130, 6066)]