123870720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^2$

素因数の和:280

約数の個数: 120

約数和(自身を含む): 399141864

約数和(自身を除く): 275271144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2540, 2560, 3048, 3810, 3840, 4064, 5080, 6096, 7620, 7680, 8128, 10160, 12192, 15240, 16129, 16256, 20320, 24384, 30480, 32258, 32512, 40640, 48387, 48768, 60960, 64516, 65024, 80645, 81280, 96774, 97536, 121920, 129032, 161290, 162560, 193548, 195072, 241935, 243840, 258064, 322580, 325120, 387096, 483870, 487680, 516128, 645160, 774192, 967740, 975360, 1032256, 1290320, 1548384, 1935480, 2064512, 2580640, 3096768, 3870960, 4129024, 5161280, 6193536, 7741920, 8258048, 10322560, 12387072, 15483840, 20645120, 24774144, 30967680, 41290240, 61935360, 123870720]

約数ペア:

[(1, 123870720), (2, 61935360), (3, 41290240), (4, 30967680), (5, 24774144), (6, 20645120), (8, 15483840), (10, 12387072), (12, 10322560), (15, 8258048), (16, 7741920), (20, 6193536), (24, 5161280), (30, 4129024), (32, 3870960), (40, 3096768), (48, 2580640), (60, 2064512), (64, 1935480), (80, 1548384), (96, 1290320), (120, 1032256), (127, 975360), (128, 967740), (160, 774192), (192, 645160), (240, 516128), (254, 487680), (256, 483870), (320, 387096), (381, 325120), (384, 322580), (480, 258064), (508, 243840), (512, 241935), (635, 195072), (640, 193548), (762, 162560), (768, 161290), (960, 129032), (1016, 121920), (1270, 97536), (1280, 96774), (1524, 81280), (1536, 80645), (1905, 65024), (1920, 64516), (2032, 60960), (2540, 48768), (2560, 48387), (3048, 40640), (3810, 32512), (3840, 32258), (4064, 30480), (5080, 24384), (6096, 20320), (7620, 16256), (7680, 16129), (8128, 15240), (10160, 12192)]