165217260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211817}}^1$

素因数の和:211842

約数の個数: 48

約数和(自身を含む): 498195936

約数和(自身を除く): 332978676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 211817, 423634, 635451, 847268, 1059085, 1270902, 2118170, 2541804, 2753621, 3177255, 4236340, 5507242, 6354510, 8260863, 11014484, 12709020, 13768105, 16521726, 27536210, 33043452, 41304315, 55072420, 82608630, 165217260]

約数ペア:

[(1, 165217260), (2, 82608630), (3, 55072420), (4, 41304315), (5, 33043452), (6, 27536210), (10, 16521726), (12, 13768105), (13, 12709020), (15, 11014484), (20, 8260863), (26, 6354510), (30, 5507242), (39, 4236340), (52, 3177255), (60, 2753621), (65, 2541804), (78, 2118170), (130, 1270902), (156, 1059085), (195, 847268), (260, 635451), (390, 423634), (780, 211817)]