68796780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 208979904

約数和(自身を除く): 140183124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 193, 195, 260, 386, 390, 457, 579, 772, 780, 914, 965, 1158, 1371, 1828, 1930, 2285, 2316, 2509, 2742, 2895, 3860, 4570, 5018, 5484, 5790, 5941, 6855, 7527, 9140, 10036, 11580, 11882, 12545, 13710, 15054, 17823, 23764, 25090, 27420, 29705, 30108, 35646, 37635, 50180, 59410, 71292, 75270, 88201, 89115, 118820, 150540, 176402, 178230, 264603, 352804, 356460, 441005, 529206, 882010, 1058412, 1146613, 1323015, 1764020, 2293226, 2646030, 3439839, 4586452, 5292060, 5733065, 6879678, 11466130, 13759356, 17199195, 22932260, 34398390, 68796780]

約数ペア:

[(1, 68796780), (2, 34398390), (3, 22932260), (4, 17199195), (5, 13759356), (6, 11466130), (10, 6879678), (12, 5733065), (13, 5292060), (15, 4586452), (20, 3439839), (26, 2646030), (30, 2293226), (39, 1764020), (52, 1323015), (60, 1146613), (65, 1058412), (78, 882010), (130, 529206), (156, 441005), (193, 356460), (195, 352804), (260, 264603), (386, 178230), (390, 176402), (457, 150540), (579, 118820), (772, 89115), (780, 88201), (914, 75270), (965, 71292), (1158, 59410), (1371, 50180), (1828, 37635), (1930, 35646), (2285, 30108), (2316, 29705), (2509, 27420), (2742, 25090), (2895, 23764), (3860, 17823), (4570, 15054), (5018, 13710), (5484, 12545), (5790, 11882), (5941, 11580), (6855, 10036), (7527, 9140)]