181841920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:725

約数の個数: 104

約数和(自身を含む): 470622096

約数和(自身を除く): 288780176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 683, 832, 1024, 1040, 1280, 1366, 1664, 2048, 2080, 2560, 2732, 3328, 3415, 4096, 4160, 5120, 5464, 6656, 6830, 8320, 8879, 10240, 10928, 13312, 13660, 16640, 17758, 20480, 21856, 26624, 27320, 33280, 35516, 43712, 44395, 53248, 54640, 66560, 71032, 87424, 88790, 109280, 133120, 142064, 174848, 177580, 218560, 266240, 284128, 349696, 355160, 437120, 568256, 699392, 710320, 874240, 1136512, 1398784, 1420640, 1748480, 2273024, 2797568, 2841280, 3496960, 4546048, 5682560, 6993920, 9092096, 11365120, 13987840, 18184192, 22730240, 36368384, 45460480, 90920960, 181841920]

約数ペア:

[(1, 181841920), (2, 90920960), (4, 45460480), (5, 36368384), (8, 22730240), (10, 18184192), (13, 13987840), (16, 11365120), (20, 9092096), (26, 6993920), (32, 5682560), (40, 4546048), (52, 3496960), (64, 2841280), (65, 2797568), (80, 2273024), (104, 1748480), (128, 1420640), (130, 1398784), (160, 1136512), (208, 874240), (256, 710320), (260, 699392), (320, 568256), (416, 437120), (512, 355160), (520, 349696), (640, 284128), (683, 266240), (832, 218560), (1024, 177580), (1040, 174848), (1280, 142064), (1366, 133120), (1664, 109280), (2048, 88790), (2080, 87424), (2560, 71032), (2732, 66560), (3328, 54640), (3415, 53248), (4096, 44395), (4160, 43712), (5120, 35516), (5464, 33280), (6656, 27320), (6830, 26624), (8320, 21856), (8879, 20480), (10240, 17758), (10928, 16640), (13312, 13660)]