256019160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2887}}^1$

素因数の和:3640

約数の個数: 64

約数和(自身を含む): 769363200

約数和(自身を除く): 513344040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 739, 1478, 2217, 2887, 2956, 3695, 4434, 5774, 5912, 7390, 8661, 8868, 11085, 11548, 14435, 14780, 17322, 17736, 22170, 23096, 28870, 29560, 34644, 43305, 44340, 57740, 69288, 86610, 88680, 115480, 173220, 346440, 2133493, 4266986, 6400479, 8533972, 10667465, 12800958, 17067944, 21334930, 25601916, 32002395, 42669860, 51203832, 64004790, 85339720, 128009580, 256019160]

約数ペア:

[(1, 256019160), (2, 128009580), (3, 85339720), (4, 64004790), (5, 51203832), (6, 42669860), (8, 32002395), (10, 25601916), (12, 21334930), (15, 17067944), (20, 12800958), (24, 10667465), (30, 8533972), (40, 6400479), (60, 4266986), (120, 2133493), (739, 346440), (1478, 173220), (2217, 115480), (2887, 88680), (2956, 86610), (3695, 69288), (4434, 57740), (5774, 44340), (5912, 43305), (7390, 34644), (8661, 29560), (8868, 28870), (11085, 23096), (11548, 22170), (14435, 17736), (14780, 17322)]