771040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 1874880

約数和(自身を除く): 1103840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 79, 80, 122, 158, 160, 244, 305, 316, 395, 488, 610, 632, 790, 976, 1220, 1264, 1580, 1952, 2440, 2528, 3160, 4819, 4880, 6320, 9638, 9760, 12640, 19276, 24095, 38552, 48190, 77104, 96380, 154208, 192760, 385520, 771040]

約数ペア:

[(1, 771040), (2, 385520), (4, 192760), (5, 154208), (8, 96380), (10, 77104), (16, 48190), (20, 38552), (32, 24095), (40, 19276), (61, 12640), (79, 9760), (80, 9638), (122, 6320), (158, 4880), (160, 4819), (244, 3160), (305, 2528), (316, 2440), (395, 1952), (488, 1580), (610, 1264), (632, 1220), (790, 976)]