84854320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 205254720

約数和(自身を除く): 120400400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 109, 148, 185, 218, 263, 296, 370, 436, 526, 545, 592, 740, 872, 1052, 1090, 1315, 1480, 1744, 2104, 2180, 2630, 2960, 4033, 4208, 4360, 5260, 8066, 8720, 9731, 10520, 16132, 19462, 20165, 21040, 28667, 32264, 38924, 40330, 48655, 57334, 64528, 77848, 80660, 97310, 114668, 143335, 155696, 161320, 194620, 229336, 286670, 322640, 389240, 458672, 573340, 778480, 1060679, 1146680, 2121358, 2293360, 4242716, 5303395, 8485432, 10606790, 16970864, 21213580, 42427160, 84854320]

約数ペア:

[(1, 84854320), (2, 42427160), (4, 21213580), (5, 16970864), (8, 10606790), (10, 8485432), (16, 5303395), (20, 4242716), (37, 2293360), (40, 2121358), (74, 1146680), (80, 1060679), (109, 778480), (148, 573340), (185, 458672), (218, 389240), (263, 322640), (296, 286670), (370, 229336), (436, 194620), (526, 161320), (545, 155696), (592, 143335), (740, 114668), (872, 97310), (1052, 80660), (1090, 77848), (1315, 64528), (1480, 57334), (1744, 48655), (2104, 40330), (2180, 38924), (2630, 32264), (2960, 28667), (4033, 21040), (4208, 20165), (4360, 19462), (5260, 16132), (8066, 10520), (8720, 9731)]