1189187840

素因数分解:

$2^8\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4057}}^1$

素因数の和:4307

約数の個数: 72

約数和(自身を含む): 2861620440

約数和(自身を除く): 1672432600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 458, 640, 916, 1145, 1280, 1832, 2290, 3664, 4057, 4580, 7328, 8114, 9160, 14656, 16228, 18320, 20285, 29312, 32456, 36640, 40570, 58624, 64912, 73280, 81140, 129824, 146560, 162280, 259648, 293120, 324560, 519296, 649120, 929053, 1038592, 1298240, 1858106, 2596480, 3716212, 4645265, 5192960, 7432424, 9290530, 14864848, 18581060, 29729696, 37162120, 59459392, 74324240, 118918784, 148648480, 237837568, 297296960, 594593920, 1189187840]

約数ペア:

[(1, 1189187840), (2, 594593920), (4, 297296960), (5, 237837568), (8, 148648480), (10, 118918784), (16, 74324240), (20, 59459392), (32, 37162120), (40, 29729696), (64, 18581060), (80, 14864848), (128, 9290530), (160, 7432424), (229, 5192960), (256, 4645265), (320, 3716212), (458, 2596480), (640, 1858106), (916, 1298240), (1145, 1038592), (1280, 929053), (1832, 649120), (2290, 519296), (3664, 324560), (4057, 293120), (4580, 259648), (7328, 162280), (8114, 146560), (9160, 129824), (14656, 81140), (16228, 73280), (18320, 64912), (20285, 58624), (29312, 40570), (32456, 36640)]