128838960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1555

約数の個数: 120

約数和(自身を含む): 436400640

約数和(自身を除く): 307561680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1409, 1524, 1905, 2032, 2286, 2540, 2818, 3048, 3810, 4227, 4572, 5080, 5636, 5715, 6096, 7045, 7620, 8454, 9144, 10160, 11272, 11430, 12681, 14090, 15240, 16908, 18288, 21135, 22544, 22860, 25362, 28180, 30480, 33816, 42270, 45720, 50724, 56360, 63405, 67632, 84540, 91440, 101448, 112720, 126810, 169080, 178943, 202896, 253620, 338160, 357886, 507240, 536829, 715772, 894715, 1014480, 1073658, 1431544, 1610487, 1789430, 2147316, 2684145, 2863088, 3220974, 3578860, 4294632, 5368290, 6441948, 7157720, 8052435, 8589264, 10736580, 12883896, 14315440, 16104870, 21473160, 25767792, 32209740, 42946320, 64419480, 128838960]

約数ペア:

[(1, 128838960), (2, 64419480), (3, 42946320), (4, 32209740), (5, 25767792), (6, 21473160), (8, 16104870), (9, 14315440), (10, 12883896), (12, 10736580), (15, 8589264), (16, 8052435), (18, 7157720), (20, 6441948), (24, 5368290), (30, 4294632), (36, 3578860), (40, 3220974), (45, 2863088), (48, 2684145), (60, 2147316), (72, 1789430), (80, 1610487), (90, 1431544), (120, 1073658), (127, 1014480), (144, 894715), (180, 715772), (240, 536829), (254, 507240), (360, 357886), (381, 338160), (508, 253620), (635, 202896), (720, 178943), (762, 169080), (1016, 126810), (1143, 112720), (1270, 101448), (1409, 91440), (1524, 84540), (1905, 67632), (2032, 63405), (2286, 56360), (2540, 50724), (2818, 45720), (3048, 42270), (3810, 33816), (4227, 30480), (4572, 28180), (5080, 25362), (5636, 22860), (5715, 22544), (6096, 21135), (7045, 18288), (7620, 16908), (8454, 15240), (9144, 14090), (10160, 12681), (11272, 11430)]