23981440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 67417920

約数和(自身を除く): 43436480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 101, 106, 112, 128, 140, 160, 202, 212, 224, 265, 280, 320, 371, 404, 424, 448, 505, 530, 560, 640, 707, 742, 808, 848, 896, 1010, 1060, 1120, 1414, 1484, 1616, 1696, 1855, 2020, 2120, 2240, 2828, 2968, 3232, 3392, 3535, 3710, 4040, 4240, 4480, 5353, 5656, 5936, 6464, 6784, 7070, 7420, 8080, 8480, 10706, 11312, 11872, 12928, 14140, 14840, 16160, 16960, 21412, 22624, 23744, 26765, 28280, 29680, 32320, 33920, 37471, 42824, 45248, 47488, 53530, 56560, 59360, 64640, 74942, 85648, 90496, 107060, 113120, 118720, 149884, 171296, 187355, 214120, 226240, 237440, 299768, 342592, 374710, 428240, 452480, 599536, 685184, 749420, 856480, 1199072, 1498840, 1712960, 2398144, 2997680, 3425920, 4796288, 5995360, 11990720, 23981440]

約数ペア:

[(1, 23981440), (2, 11990720), (4, 5995360), (5, 4796288), (7, 3425920), (8, 2997680), (10, 2398144), (14, 1712960), (16, 1498840), (20, 1199072), (28, 856480), (32, 749420), (35, 685184), (40, 599536), (53, 452480), (56, 428240), (64, 374710), (70, 342592), (80, 299768), (101, 237440), (106, 226240), (112, 214120), (128, 187355), (140, 171296), (160, 149884), (202, 118720), (212, 113120), (224, 107060), (265, 90496), (280, 85648), (320, 74942), (371, 64640), (404, 59360), (424, 56560), (448, 53530), (505, 47488), (530, 45248), (560, 42824), (640, 37471), (707, 33920), (742, 32320), (808, 29680), (848, 28280), (896, 26765), (1010, 23744), (1060, 22624), (1120, 21412), (1414, 16960), (1484, 16160), (1616, 14840), (1696, 14140), (1855, 12928), (2020, 11872), (2120, 11312), (2240, 10706), (2828, 8480), (2968, 8080), (3232, 7420), (3392, 7070), (3535, 6784), (3710, 6464), (4040, 5936), (4240, 5656), (4480, 5353)]