256956360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125959}}^1$

素因数の和:125990

約数の個数: 64

約数和(自身を含む): 816220800

約数和(自身を除く): 559264440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 125959, 251918, 377877, 503836, 629795, 755754, 1007672, 1259590, 1511508, 1889385, 2141303, 2519180, 3023016, 3778770, 4282606, 5038360, 6423909, 7557540, 8565212, 10706515, 12847818, 15115080, 17130424, 21413030, 25695636, 32119545, 42826060, 51391272, 64239090, 85652120, 128478180, 256956360]

約数ペア:

[(1, 256956360), (2, 128478180), (3, 85652120), (4, 64239090), (5, 51391272), (6, 42826060), (8, 32119545), (10, 25695636), (12, 21413030), (15, 17130424), (17, 15115080), (20, 12847818), (24, 10706515), (30, 8565212), (34, 7557540), (40, 6423909), (51, 5038360), (60, 4282606), (68, 3778770), (85, 3023016), (102, 2519180), (120, 2141303), (136, 1889385), (170, 1511508), (204, 1259590), (255, 1007672), (340, 755754), (408, 629795), (510, 503836), (680, 377877), (1020, 251918), (2040, 125959)]