15420678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 38664192

約数和(自身を除く): 23243514

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 463, 546, 793, 854, 926, 1281, 1389, 1586, 2379, 2562, 2778, 3241, 4758, 5551, 6019, 6482, 9723, 11102, 12038, 16653, 18057, 19446, 28243, 33306, 36114, 42133, 56486, 84266, 84729, 126399, 169458, 197701, 252798, 367159, 395402, 593103, 734318, 1101477, 1186206, 2202954, 2570113, 5140226, 7710339, 15420678]

約数ペア:

[(1, 15420678), (2, 7710339), (3, 5140226), (6, 2570113), (7, 2202954), (13, 1186206), (14, 1101477), (21, 734318), (26, 593103), (39, 395402), (42, 367159), (61, 252798), (78, 197701), (91, 169458), (122, 126399), (182, 84729), (183, 84266), (273, 56486), (366, 42133), (427, 36114), (463, 33306), (546, 28243), (793, 19446), (854, 18057), (926, 16653), (1281, 12038), (1389, 11102), (1586, 9723), (2379, 6482), (2562, 6019), (2778, 5551), (3241, 4758)]