205266360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131581}}^1$

素因数の和:131608

約数の個数: 64

約数和(自身を含む): 663173280

約数和(自身を除く): 457906920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131581, 263162, 394743, 526324, 657905, 789486, 1052648, 1315810, 1578972, 1710553, 1973715, 2631620, 3157944, 3421106, 3947430, 5131659, 5263240, 6842212, 7894860, 8552765, 10263318, 13684424, 15789720, 17105530, 20526636, 25658295, 34211060, 41053272, 51316590, 68422120, 102633180, 205266360]

約数ペア:

[(1, 205266360), (2, 102633180), (3, 68422120), (4, 51316590), (5, 41053272), (6, 34211060), (8, 25658295), (10, 20526636), (12, 17105530), (13, 15789720), (15, 13684424), (20, 10263318), (24, 8552765), (26, 7894860), (30, 6842212), (39, 5263240), (40, 5131659), (52, 3947430), (60, 3421106), (65, 3157944), (78, 2631620), (104, 1973715), (120, 1710553), (130, 1578972), (156, 1315810), (195, 1052648), (260, 789486), (312, 657905), (390, 526324), (520, 394743), (780, 263162), (1560, 131581)]