80890140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 235952640

約数和(自身を除く): 155062500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 83, 111, 148, 166, 185, 222, 249, 332, 370, 415, 439, 444, 498, 555, 740, 830, 878, 996, 1110, 1245, 1317, 1660, 1756, 2195, 2220, 2490, 2634, 3071, 4390, 4980, 5268, 6142, 6585, 8780, 9213, 12284, 13170, 15355, 16243, 18426, 26340, 30710, 32486, 36437, 36852, 46065, 48729, 61420, 64972, 72874, 81215, 92130, 97458, 109311, 145748, 162430, 182185, 184260, 194916, 218622, 243645, 324860, 364370, 437244, 487290, 546555, 728740, 974580, 1093110, 1348169, 2186220, 2696338, 4044507, 5392676, 6740845, 8089014, 13481690, 16178028, 20222535, 26963380, 40445070, 80890140]

約数ペア:

[(1, 80890140), (2, 40445070), (3, 26963380), (4, 20222535), (5, 16178028), (6, 13481690), (10, 8089014), (12, 6740845), (15, 5392676), (20, 4044507), (30, 2696338), (37, 2186220), (60, 1348169), (74, 1093110), (83, 974580), (111, 728740), (148, 546555), (166, 487290), (185, 437244), (222, 364370), (249, 324860), (332, 243645), (370, 218622), (415, 194916), (439, 184260), (444, 182185), (498, 162430), (555, 145748), (740, 109311), (830, 97458), (878, 92130), (996, 81215), (1110, 72874), (1245, 64972), (1317, 61420), (1660, 48729), (1756, 46065), (2195, 36852), (2220, 36437), (2490, 32486), (2634, 30710), (3071, 26340), (4390, 18426), (4980, 16243), (5268, 15355), (6142, 13170), (6585, 12284), (8780, 9213)]