5452980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7016

約数の個数: 48

約数和(自身を含む): 16445184

約数和(自身を除く): 10992204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 6991, 13982, 20973, 27964, 34955, 41946, 69910, 83892, 90883, 104865, 139820, 181766, 209730, 272649, 363532, 419460, 454415, 545298, 908830, 1090596, 1363245, 1817660, 2726490, 5452980]

約数ペア:

[(1, 5452980), (2, 2726490), (3, 1817660), (4, 1363245), (5, 1090596), (6, 908830), (10, 545298), (12, 454415), (13, 419460), (15, 363532), (20, 272649), (26, 209730), (30, 181766), (39, 139820), (52, 104865), (60, 90883), (65, 83892), (78, 69910), (130, 41946), (156, 34955), (195, 27964), (260, 20973), (390, 13982), (780, 6991)]