15664495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 25712640

約数和(自身を除く): 10048145

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 61, 77, 115, 145, 161, 203, 253, 305, 319, 385, 427, 667, 671, 805, 1015, 1265, 1403, 1595, 1769, 1771, 2135, 2233, 3335, 3355, 4669, 4697, 7015, 7337, 8845, 8855, 9821, 11165, 12383, 15433, 19459, 23345, 23485, 36685, 40687, 49105, 51359, 61915, 77165, 97295, 108031, 136213, 203435, 256795, 284809, 447557, 540155, 681065, 1424045, 2237785, 3132899, 15664495]

約数ペア:

[(1, 15664495), (5, 3132899), (7, 2237785), (11, 1424045), (23, 681065), (29, 540155), (35, 447557), (55, 284809), (61, 256795), (77, 203435), (115, 136213), (145, 108031), (161, 97295), (203, 77165), (253, 61915), (305, 51359), (319, 49105), (385, 40687), (427, 36685), (667, 23485), (671, 23345), (805, 19459), (1015, 15433), (1265, 12383), (1403, 11165), (1595, 9821), (1769, 8855), (1771, 8845), (2135, 7337), (2233, 7015), (3335, 4697), (3355, 4669)]