15705495

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 32118240

約数和(自身を除く): 16412745

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 157, 171, 195, 247, 285, 351, 405, 471, 513, 585, 741, 785, 855, 1053, 1235, 1413, 1539, 1755, 2041, 2223, 2355, 2565, 2983, 3705, 4239, 5265, 6123, 6669, 7065, 7695, 8949, 10205, 11115, 12717, 14915, 18369, 20007, 21195, 26847, 30615, 33345, 38779, 44745, 55107, 63585, 80541, 91845, 100035, 116337, 134235, 165321, 193895, 241623, 275535, 349011, 402705, 581685, 826605, 1047033, 1208115, 1745055, 3141099, 5235165, 15705495]

約数ペア:

[(1, 15705495), (3, 5235165), (5, 3141099), (9, 1745055), (13, 1208115), (15, 1047033), (19, 826605), (27, 581685), (39, 402705), (45, 349011), (57, 275535), (65, 241623), (81, 193895), (95, 165321), (117, 134235), (135, 116337), (157, 100035), (171, 91845), (195, 80541), (247, 63585), (285, 55107), (351, 44745), (405, 38779), (471, 33345), (513, 30615), (585, 26847), (741, 21195), (785, 20007), (855, 18369), (1053, 14915), (1235, 12717), (1413, 11115), (1539, 10205), (1755, 8949), (2041, 7695), (2223, 7065), (2355, 6669), (2565, 6123), (2983, 5265), (3705, 4239)]