1278889440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{2664353}}^1$

素因数の和:2664371

約数の個数: 48

約数和(自身を含む): 4028503248

約数和(自身を除く): 2749613808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 2664353, 5328706, 7993059, 10657412, 13321765, 15986118, 21314824, 26643530, 31972236, 39965295, 42629648, 53287060, 63944472, 79930590, 85259296, 106574120, 127888944, 159861180, 213148240, 255777888, 319722360, 426296480, 639444720, 1278889440]

約数ペア:

[(1, 1278889440), (2, 639444720), (3, 426296480), (4, 319722360), (5, 255777888), (6, 213148240), (8, 159861180), (10, 127888944), (12, 106574120), (15, 85259296), (16, 79930590), (20, 63944472), (24, 53287060), (30, 42629648), (32, 39965295), (40, 31972236), (48, 26643530), (60, 21314824), (80, 15986118), (96, 13321765), (120, 10657412), (160, 7993059), (240, 5328706), (480, 2664353)]