72678640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31327}}^1$

素因数の和:31369

約数の個数: 40

約数和(自身を含む): 174810240

約数和(自身を除く): 102131600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 31327, 62654, 125308, 156635, 250616, 313270, 501232, 626540, 908483, 1253080, 1816966, 2506160, 3633932, 4542415, 7267864, 9084830, 14535728, 18169660, 36339320, 72678640]

約数ペア:

[(1, 72678640), (2, 36339320), (4, 18169660), (5, 14535728), (8, 9084830), (10, 7267864), (16, 4542415), (20, 3633932), (29, 2506160), (40, 1816966), (58, 1253080), (80, 908483), (116, 626540), (145, 501232), (232, 313270), (290, 250616), (464, 156635), (580, 125308), (1160, 62654), (2320, 31327)]