154915840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:487

約数の個数: 88

約数和(自身を含む): 377303040

約数和(自身を除く): 222387200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 383, 395, 512, 632, 640, 766, 790, 1024, 1264, 1280, 1532, 1580, 1915, 2528, 2560, 3064, 3160, 3830, 5056, 5120, 6128, 6320, 7660, 10112, 12256, 12640, 15320, 20224, 24512, 25280, 30257, 30640, 40448, 49024, 50560, 60514, 61280, 80896, 98048, 101120, 121028, 122560, 151285, 196096, 202240, 242056, 245120, 302570, 392192, 404480, 484112, 490240, 605140, 968224, 980480, 1210280, 1936448, 1960960, 2420560, 3872896, 4841120, 7745792, 9682240, 15491584, 19364480, 30983168, 38728960, 77457920, 154915840]

約数ペア:

[(1, 154915840), (2, 77457920), (4, 38728960), (5, 30983168), (8, 19364480), (10, 15491584), (16, 9682240), (20, 7745792), (32, 4841120), (40, 3872896), (64, 2420560), (79, 1960960), (80, 1936448), (128, 1210280), (158, 980480), (160, 968224), (256, 605140), (316, 490240), (320, 484112), (383, 404480), (395, 392192), (512, 302570), (632, 245120), (640, 242056), (766, 202240), (790, 196096), (1024, 151285), (1264, 122560), (1280, 121028), (1532, 101120), (1580, 98048), (1915, 80896), (2528, 61280), (2560, 60514), (3064, 50560), (3160, 49024), (3830, 40448), (5056, 30640), (5120, 30257), (6128, 25280), (6320, 24512), (7660, 20224), (10112, 15320), (12256, 12640)]