2080773975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{2539}}^1$

素因数の和:2789

約数の個数: 72

約数和(自身を含む): 4021409280

約数和(自身を除く): 1940635305

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 223, 245, 525, 669, 735, 1115, 1225, 1561, 2539, 3345, 3675, 4683, 5575, 7617, 7805, 10927, 12695, 16725, 17773, 23415, 32781, 38085, 39025, 53319, 54635, 63475, 88865, 117075, 124411, 163905, 190425, 266595, 273175, 373233, 444325, 566197, 622055, 819525, 1332975, 1698591, 1866165, 2830985, 3110275, 3963379, 8492955, 9330825, 11890137, 14154925, 19816895, 27743653, 42464775, 59450685, 83230959, 99084475, 138718265, 297253425, 416154795, 693591325, 2080773975]

約数ペア:

[(1, 2080773975), (3, 693591325), (5, 416154795), (7, 297253425), (15, 138718265), (21, 99084475), (25, 83230959), (35, 59450685), (49, 42464775), (75, 27743653), (105, 19816895), (147, 14154925), (175, 11890137), (223, 9330825), (245, 8492955), (525, 3963379), (669, 3110275), (735, 2830985), (1115, 1866165), (1225, 1698591), (1561, 1332975), (2539, 819525), (3345, 622055), (3675, 566197), (4683, 444325), (5575, 373233), (7617, 273175), (7805, 266595), (10927, 190425), (12695, 163905), (16725, 124411), (17773, 117075), (23415, 88865), (32781, 63475), (38085, 54635), (39025, 53319)]