39978960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 160

約数和(自身を含む): 144633600

約数和(自身を除く): 104654640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 449, 530, 560, 636, 742, 795, 840, 848, 898, 1060, 1113, 1272, 1347, 1484, 1590, 1680, 1796, 1855, 2120, 2226, 2245, 2544, 2694, 2968, 3143, 3180, 3592, 3710, 4240, 4452, 4490, 5388, 5565, 5936, 6286, 6360, 6735, 7184, 7420, 8904, 8980, 9429, 10776, 11130, 12572, 12720, 13470, 14840, 15715, 17808, 17960, 18858, 21552, 22260, 23797, 25144, 26940, 29680, 31430, 35920, 37716, 44520, 47145, 47594, 50288, 53880, 62860, 71391, 75432, 89040, 94290, 95188, 107760, 118985, 125720, 142782, 150864, 166579, 188580, 190376, 237970, 251440, 285564, 333158, 356955, 377160, 380752, 475940, 499737, 571128, 666316, 713910, 754320, 832895, 951880, 999474, 1142256, 1332632, 1427820, 1665790, 1903760, 1998948, 2498685, 2665264, 2855640, 3331580, 3997896, 4997370, 5711280, 6663160, 7995792, 9994740, 13326320, 19989480, 39978960]

約数ペア:

[(1, 39978960), (2, 19989480), (3, 13326320), (4, 9994740), (5, 7995792), (6, 6663160), (7, 5711280), (8, 4997370), (10, 3997896), (12, 3331580), (14, 2855640), (15, 2665264), (16, 2498685), (20, 1998948), (21, 1903760), (24, 1665790), (28, 1427820), (30, 1332632), (35, 1142256), (40, 999474), (42, 951880), (48, 832895), (53, 754320), (56, 713910), (60, 666316), (70, 571128), (80, 499737), (84, 475940), (105, 380752), (106, 377160), (112, 356955), (120, 333158), (140, 285564), (159, 251440), (168, 237970), (210, 190376), (212, 188580), (240, 166579), (265, 150864), (280, 142782), (318, 125720), (336, 118985), (371, 107760), (420, 95188), (424, 94290), (449, 89040), (530, 75432), (560, 71391), (636, 62860), (742, 53880), (795, 50288), (840, 47594), (848, 47145), (898, 44520), (1060, 37716), (1113, 35920), (1272, 31430), (1347, 29680), (1484, 26940), (1590, 25144), (1680, 23797), (1796, 22260), (1855, 21552), (2120, 18858), (2226, 17960), (2245, 17808), (2544, 15715), (2694, 14840), (2968, 13470), (3143, 12720), (3180, 12572), (3592, 11130), (3710, 10776), (4240, 9429), (4452, 8980), (4490, 8904), (5388, 7420), (5565, 7184), (5936, 6735), (6286, 6360)]