78765180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100981}}^1$

素因数の和:101006

約数の個数: 48

約数和(自身を含む): 237509664

約数和(自身を除く): 158744484

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, 100981, 201962, 302943, 403924, 504905, 605886, 1009810, 1211772, 1312753, 1514715, 2019620, 2625506, 3029430, 3938259, 5251012, 6058860, 6563765, 7876518, 13127530, 15753036, 19691295, 26255060, 39382590, 78765180]

約数ペア:

[(1, 78765180), (2, 39382590), (3, 26255060), (4, 19691295), (5, 15753036), (6, 13127530), (10, 7876518), (12, 6563765), (13, 6058860), (15, 5251012), (20, 3938259), (26, 3029430), (30, 2625506), (39, 2019620), (52, 1514715), (60, 1312753), (65, 1211772), (78, 1009810), (130, 605886), (156, 504905), (195, 403924), (260, 302943), (390, 201962), (780, 100981)]