131648640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68567}}^1$

素因数の和:68589

約数の個数: 64

約数和(自身を含む): 419636160

約数和(自身を除く): 287987520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68567, 137134, 205701, 274268, 342835, 411402, 548536, 685670, 822804, 1028505, 1097072, 1371340, 1645608, 2057010, 2194144, 2742680, 3291216, 4114020, 4388288, 5485360, 6582432, 8228040, 8776576, 10970720, 13164864, 16456080, 21941440, 26329728, 32912160, 43882880, 65824320, 131648640]

約数ペア:

[(1, 131648640), (2, 65824320), (3, 43882880), (4, 32912160), (5, 26329728), (6, 21941440), (8, 16456080), (10, 13164864), (12, 10970720), (15, 8776576), (16, 8228040), (20, 6582432), (24, 5485360), (30, 4388288), (32, 4114020), (40, 3291216), (48, 2742680), (60, 2194144), (64, 2057010), (80, 1645608), (96, 1371340), (120, 1097072), (128, 1028505), (160, 822804), (192, 685670), (240, 548536), (320, 411402), (384, 342835), (480, 274268), (640, 205701), (960, 137134), (1920, 68567)]