321381120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 1036062720

約数和(自身を除く): 714681600

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, 635, 640, 659, 762, 768, 960, 1016, 1270, 1280, 1318, 1524, 1905, 1920, 1977, 2032, 2540, 2636, 3048, 3295, 3810, 3840, 3954, 4064, 5080, 5272, 6096, 6590, 7620, 7908, 8128, 9885, 10160, 10544, 12192, 13180, 15240, 15816, 16256, 19770, 20320, 21088, 24384, 26360, 30480, 31632, 32512, 39540, 40640, 42176, 48768, 52720, 60960, 63264, 79080, 81280, 83693, 84352, 97536, 105440, 121920, 126528, 158160, 162560, 167386, 168704, 210880, 243840, 251079, 253056, 316320, 334772, 418465, 421760, 487680, 502158, 506112, 632640, 669544, 836930, 843520, 1004316, 1255395, 1265280, 1339088, 1673860, 2008632, 2510790, 2530560, 2678176, 3347720, 4017264, 5021580, 5356352, 6695440, 8034528, 10043160, 10712704, 13390880, 16069056, 20086320, 21425408, 26781760, 32138112, 40172640, 53563520, 64276224, 80345280, 107127040, 160690560, 321381120]

約数ペア:

[(1, 321381120), (2, 160690560), (3, 107127040), (4, 80345280), (5, 64276224), (6, 53563520), (8, 40172640), (10, 32138112), (12, 26781760), (15, 21425408), (16, 20086320), (20, 16069056), (24, 13390880), (30, 10712704), (32, 10043160), (40, 8034528), (48, 6695440), (60, 5356352), (64, 5021580), (80, 4017264), (96, 3347720), (120, 2678176), (127, 2530560), (128, 2510790), (160, 2008632), (192, 1673860), (240, 1339088), (254, 1265280), (256, 1255395), (320, 1004316), (381, 843520), (384, 836930), (480, 669544), (508, 632640), (635, 506112), (640, 502158), (659, 487680), (762, 421760), (768, 418465), (960, 334772), (1016, 316320), (1270, 253056), (1280, 251079), (1318, 243840), (1524, 210880), (1905, 168704), (1920, 167386), (1977, 162560), (2032, 158160), (2540, 126528), (2636, 121920), (3048, 105440), (3295, 97536), (3810, 84352), (3840, 83693), (3954, 81280), (4064, 79080), (5080, 63264), (5272, 60960), (6096, 52720), (6590, 48768), (7620, 42176), (7908, 40640), (8128, 39540), (9885, 32512), (10160, 31632), (10544, 30480), (12192, 26360), (13180, 24384), (15240, 21088), (15816, 20320), (16256, 19770)]