78772005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 155603448

約数和(自身を除く): 76831443

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 361, 373, 585, 741, 855, 1083, 1119, 1235, 1805, 1865, 2223, 3249, 3357, 3705, 4693, 4849, 5415, 5595, 7087, 11115, 14079, 14547, 16245, 16785, 21261, 23465, 24245, 35435, 42237, 43641, 63783, 70395, 72735, 92131, 106305, 134653, 211185, 218205, 276393, 318915, 403959, 460655, 673265, 829179, 1211877, 1381965, 1750489, 2019795, 4145895, 5251467, 6059385, 8752445, 15754401, 26257335, 78772005]

約数ペア:

[(1, 78772005), (3, 26257335), (5, 15754401), (9, 8752445), (13, 6059385), (15, 5251467), (19, 4145895), (39, 2019795), (45, 1750489), (57, 1381965), (65, 1211877), (95, 829179), (117, 673265), (171, 460655), (195, 403959), (247, 318915), (285, 276393), (361, 218205), (373, 211185), (585, 134653), (741, 106305), (855, 92131), (1083, 72735), (1119, 70395), (1235, 63783), (1805, 43641), (1865, 42237), (2223, 35435), (3249, 24245), (3357, 23465), (3705, 21261), (4693, 16785), (4849, 16245), (5415, 14547), (5595, 14079), (7087, 11115)]