77807210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 81859990

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 155, 215, 310, 403, 430, 449, 559, 806, 898, 1118, 1333, 2015, 2245, 2666, 2795, 4030, 4490, 5590, 5837, 6665, 11674, 13330, 13919, 17329, 19307, 27838, 29185, 34658, 38614, 58370, 69595, 86645, 96535, 139190, 173290, 180947, 193070, 250991, 361894, 501982, 598517, 904735, 1197034, 1254955, 1809470, 2509910, 2992585, 5985170, 7780721, 15561442, 38903605, 77807210]

約数ペア:

[(1, 77807210), (2, 38903605), (5, 15561442), (10, 7780721), (13, 5985170), (26, 2992585), (31, 2509910), (43, 1809470), (62, 1254955), (65, 1197034), (86, 904735), (130, 598517), (155, 501982), (215, 361894), (310, 250991), (403, 193070), (430, 180947), (449, 173290), (559, 139190), (806, 96535), (898, 86645), (1118, 69595), (1333, 58370), (2015, 38614), (2245, 34658), (2666, 29185), (2795, 27838), (4030, 19307), (4490, 17329), (5590, 13919), (5837, 13330), (6665, 11674)]