31839480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 110816640

約数和(自身を除く): 78977160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 317, 324, 360, 372, 405, 465, 540, 558, 620, 634, 648, 744, 810, 837, 930, 951, 1080, 1116, 1240, 1268, 1395, 1585, 1620, 1674, 1860, 1902, 2232, 2511, 2536, 2790, 2853, 3170, 3240, 3348, 3720, 3804, 4185, 4755, 5022, 5580, 5706, 6340, 6696, 7608, 8370, 8559, 9510, 9827, 10044, 11160, 11412, 12555, 12680, 14265, 16740, 17118, 19020, 19654, 20088, 22824, 25110, 25677, 28530, 29481, 33480, 34236, 38040, 39308, 42795, 49135, 50220, 51354, 57060, 58962, 68472, 78616, 85590, 88443, 98270, 100440, 102708, 114120, 117924, 128385, 147405, 171180, 176886, 196540, 205416, 235848, 256770, 265329, 294810, 342360, 353772, 393080, 442215, 513540, 530658, 589620, 707544, 795987, 884430, 1027080, 1061316, 1179240, 1326645, 1591974, 1768860, 2122632, 2653290, 3183948, 3537720, 3979935, 5306580, 6367896, 7959870, 10613160, 15919740, 31839480]

約数ペア:

[(1, 31839480), (2, 15919740), (3, 10613160), (4, 7959870), (5, 6367896), (6, 5306580), (8, 3979935), (9, 3537720), (10, 3183948), (12, 2653290), (15, 2122632), (18, 1768860), (20, 1591974), (24, 1326645), (27, 1179240), (30, 1061316), (31, 1027080), (36, 884430), (40, 795987), (45, 707544), (54, 589620), (60, 530658), (62, 513540), (72, 442215), (81, 393080), (90, 353772), (93, 342360), (108, 294810), (120, 265329), (124, 256770), (135, 235848), (155, 205416), (162, 196540), (180, 176886), (186, 171180), (216, 147405), (248, 128385), (270, 117924), (279, 114120), (310, 102708), (317, 100440), (324, 98270), (360, 88443), (372, 85590), (405, 78616), (465, 68472), (540, 58962), (558, 57060), (620, 51354), (634, 50220), (648, 49135), (744, 42795), (810, 39308), (837, 38040), (930, 34236), (951, 33480), (1080, 29481), (1116, 28530), (1240, 25677), (1268, 25110), (1395, 22824), (1585, 20088), (1620, 19654), (1674, 19020), (1860, 17118), (1902, 16740), (2232, 14265), (2511, 12680), (2536, 12555), (2790, 11412), (2853, 11160), (3170, 10044), (3240, 9827), (3348, 9510), (3720, 8559), (3804, 8370), (4185, 7608), (4755, 6696), (5022, 6340), (5580, 5706)]