152721920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 120

約数和(自身を含む): 397631916

約数和(自身を除く): 244909996

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 353, 416, 512, 520, 640, 676, 706, 832, 845, 1040, 1280, 1352, 1412, 1664, 1690, 1765, 2080, 2560, 2704, 2824, 3328, 3380, 3530, 4160, 4589, 5408, 5648, 6656, 6760, 7060, 8320, 9178, 10816, 11296, 13520, 14120, 16640, 18356, 21632, 22592, 22945, 27040, 28240, 33280, 36712, 43264, 45184, 45890, 54080, 56480, 59657, 73424, 86528, 90368, 91780, 108160, 112960, 119314, 146848, 180736, 183560, 216320, 225920, 238628, 293696, 298285, 367120, 432640, 451840, 477256, 587392, 596570, 734240, 903680, 954512, 1174784, 1193140, 1468480, 1909024, 2349568, 2386280, 2936960, 3818048, 4772560, 5873920, 7636096, 9545120, 11747840, 15272192, 19090240, 30544384, 38180480, 76360960, 152721920]

約数ペア:

[(1, 152721920), (2, 76360960), (4, 38180480), (5, 30544384), (8, 19090240), (10, 15272192), (13, 11747840), (16, 9545120), (20, 7636096), (26, 5873920), (32, 4772560), (40, 3818048), (52, 2936960), (64, 2386280), (65, 2349568), (80, 1909024), (104, 1468480), (128, 1193140), (130, 1174784), (160, 954512), (169, 903680), (208, 734240), (256, 596570), (260, 587392), (320, 477256), (338, 451840), (353, 432640), (416, 367120), (512, 298285), (520, 293696), (640, 238628), (676, 225920), (706, 216320), (832, 183560), (845, 180736), (1040, 146848), (1280, 119314), (1352, 112960), (1412, 108160), (1664, 91780), (1690, 90368), (1765, 86528), (2080, 73424), (2560, 59657), (2704, 56480), (2824, 54080), (3328, 45890), (3380, 45184), (3530, 43264), (4160, 36712), (4589, 33280), (5408, 28240), (5648, 27040), (6656, 22945), (6760, 22592), (7060, 21632), (8320, 18356), (9178, 16640), (10816, 14120), (11296, 13520)]