28160340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 86177280

約数和(自身を除く): 58016940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 457, 474, 780, 790, 914, 948, 1027, 1185, 1371, 1580, 1828, 2054, 2285, 2370, 2742, 3081, 4108, 4570, 4740, 5135, 5484, 5941, 6162, 6855, 9140, 10270, 11882, 12324, 13710, 15405, 17823, 20540, 23764, 27420, 29705, 30810, 35646, 36103, 59410, 61620, 71292, 72206, 89115, 108309, 118820, 144412, 178230, 180515, 216618, 356460, 361030, 433236, 469339, 541545, 722060, 938678, 1083090, 1408017, 1877356, 2166180, 2346695, 2816034, 4693390, 5632068, 7040085, 9386780, 14080170, 28160340]

約数ペア:

[(1, 28160340), (2, 14080170), (3, 9386780), (4, 7040085), (5, 5632068), (6, 4693390), (10, 2816034), (12, 2346695), (13, 2166180), (15, 1877356), (20, 1408017), (26, 1083090), (30, 938678), (39, 722060), (52, 541545), (60, 469339), (65, 433236), (78, 361030), (79, 356460), (130, 216618), (156, 180515), (158, 178230), (195, 144412), (237, 118820), (260, 108309), (316, 89115), (390, 72206), (395, 71292), (457, 61620), (474, 59410), (780, 36103), (790, 35646), (914, 30810), (948, 29705), (1027, 27420), (1185, 23764), (1371, 20540), (1580, 17823), (1828, 15405), (2054, 13710), (2285, 12324), (2370, 11882), (2742, 10270), (3081, 9140), (4108, 6855), (4570, 6162), (4740, 5941), (5135, 5484)]