72108040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 173088000

約数和(自身を除く): 100979960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1201, 1501, 1580, 2402, 3002, 3160, 4804, 6004, 6005, 7505, 9608, 12008, 12010, 15010, 22819, 24020, 30020, 45638, 48040, 60040, 91276, 94879, 114095, 182552, 189758, 228190, 379516, 456380, 474395, 759032, 912760, 948790, 1802701, 1897580, 3605402, 3795160, 7210804, 9013505, 14421608, 18027010, 36054020, 72108040]

約数ペア:

[(1, 72108040), (2, 36054020), (4, 18027010), (5, 14421608), (8, 9013505), (10, 7210804), (19, 3795160), (20, 3605402), (38, 1897580), (40, 1802701), (76, 948790), (79, 912760), (95, 759032), (152, 474395), (158, 456380), (190, 379516), (316, 228190), (380, 189758), (395, 182552), (632, 114095), (760, 94879), (790, 91276), (1201, 60040), (1501, 48040), (1580, 45638), (2402, 30020), (3002, 24020), (3160, 22819), (4804, 15010), (6004, 12010), (6005, 12008), (7505, 9608)]