71728720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5612

約数の個数: 80

約数和(自身を含む): 198915840

約数和(自身を除く): 127187120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5569, 6440, 11138, 12880, 22276, 27845, 38983, 44552, 55690, 77966, 89104, 111380, 128087, 155932, 194915, 222760, 256174, 311864, 389830, 445520, 512348, 623728, 640435, 779660, 896609, 1024696, 1280870, 1559320, 1793218, 2049392, 2561740, 3118640, 3586436, 4483045, 5123480, 7172872, 8966090, 10246960, 14345744, 17932180, 35864360, 71728720]

約数ペア:

[(1, 71728720), (2, 35864360), (4, 17932180), (5, 14345744), (7, 10246960), (8, 8966090), (10, 7172872), (14, 5123480), (16, 4483045), (20, 3586436), (23, 3118640), (28, 2561740), (35, 2049392), (40, 1793218), (46, 1559320), (56, 1280870), (70, 1024696), (80, 896609), (92, 779660), (112, 640435), (115, 623728), (140, 512348), (161, 445520), (184, 389830), (230, 311864), (280, 256174), (322, 222760), (368, 194915), (460, 155932), (560, 128087), (644, 111380), (805, 89104), (920, 77966), (1288, 55690), (1610, 44552), (1840, 38983), (2576, 27845), (3220, 22276), (5569, 12880), (6440, 11138)]