215670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 645120

約数和(自身を除く): 429450

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 79, 91, 105, 130, 158, 182, 195, 210, 237, 273, 390, 395, 455, 474, 546, 553, 790, 910, 1027, 1106, 1185, 1365, 1659, 2054, 2370, 2730, 2765, 3081, 3318, 5135, 5530, 6162, 7189, 8295, 10270, 14378, 15405, 16590, 21567, 30810, 35945, 43134, 71890, 107835, 215670]

約数ペア:

[(1, 215670), (2, 107835), (3, 71890), (5, 43134), (6, 35945), (7, 30810), (10, 21567), (13, 16590), (14, 15405), (15, 14378), (21, 10270), (26, 8295), (30, 7189), (35, 6162), (39, 5530), (42, 5135), (65, 3318), (70, 3081), (78, 2765), (79, 2730), (91, 2370), (105, 2054), (130, 1659), (158, 1365), (182, 1185), (195, 1106), (210, 1027), (237, 910), (273, 790), (390, 553), (395, 546), (455, 474)]