243345180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311981}}^1$

素因数の和:312006

約数の個数: 48

約数和(自身を含む): 733781664

約数和(自身を除く): 490436484

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, 311981, 623962, 935943, 1247924, 1559905, 1871886, 3119810, 3743772, 4055753, 4679715, 6239620, 8111506, 9359430, 12167259, 16223012, 18718860, 20278765, 24334518, 40557530, 48669036, 60836295, 81115060, 121672590, 243345180]

約数ペア:

[(1, 243345180), (2, 121672590), (3, 81115060), (4, 60836295), (5, 48669036), (6, 40557530), (10, 24334518), (12, 20278765), (13, 18718860), (15, 16223012), (20, 12167259), (26, 9359430), (30, 8111506), (39, 6239620), (52, 4679715), (60, 4055753), (65, 3743772), (78, 3119810), (130, 1871886), (156, 1559905), (195, 1247924), (260, 935943), (390, 623962), (780, 311981)]