201628140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68581}}^1$

素因数の和:68607

約数の個数: 72

約数和(自身を含む): 656741232

約数和(自身を除く): 455113092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68581, 137162, 205743, 274324, 342905, 411486, 480067, 685810, 822972, 960134, 1028715, 1371620, 1440201, 1920268, 2057430, 2400335, 2880402, 3360469, 4114860, 4800670, 5760804, 6720938, 7201005, 9601340, 10081407, 13441876, 14402010, 16802345, 20162814, 28804020, 33604690, 40325628, 50407035, 67209380, 100814070, 201628140]

約数ペア:

[(1, 201628140), (2, 100814070), (3, 67209380), (4, 50407035), (5, 40325628), (6, 33604690), (7, 28804020), (10, 20162814), (12, 16802345), (14, 14402010), (15, 13441876), (20, 10081407), (21, 9601340), (28, 7201005), (30, 6720938), (35, 5760804), (42, 4800670), (49, 4114860), (60, 3360469), (70, 2880402), (84, 2400335), (98, 2057430), (105, 1920268), (140, 1440201), (147, 1371620), (196, 1028715), (210, 960134), (245, 822972), (294, 685810), (420, 480067), (490, 411486), (588, 342905), (735, 274324), (980, 205743), (1470, 137162), (2940, 68581)]