129867520

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 315675360

約数和(自身を除く): 185807840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 1429, 2272, 2840, 2858, 4544, 5680, 5716, 7145, 9088, 11360, 11432, 14290, 18176, 22720, 22864, 28580, 45440, 45728, 57160, 90880, 91456, 101459, 114320, 182912, 202918, 228640, 365824, 405836, 457280, 507295, 811672, 914560, 1014590, 1623344, 1829120, 2029180, 3246688, 4058360, 6493376, 8116720, 12986752, 16233440, 25973504, 32466880, 64933760, 129867520]

約数ペア:

[(1, 129867520), (2, 64933760), (4, 32466880), (5, 25973504), (8, 16233440), (10, 12986752), (16, 8116720), (20, 6493376), (32, 4058360), (40, 3246688), (64, 2029180), (71, 1829120), (80, 1623344), (128, 1014590), (142, 914560), (160, 811672), (256, 507295), (284, 457280), (320, 405836), (355, 365824), (568, 228640), (640, 202918), (710, 182912), (1136, 114320), (1280, 101459), (1420, 91456), (1429, 90880), (2272, 57160), (2840, 45728), (2858, 45440), (4544, 28580), (5680, 22864), (5716, 22720), (7145, 18176), (9088, 14290), (11360, 11432)]