642762240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:812

約数の個数: 160

約数和(自身を含む): 2074152960

約数和(自身を除く): 1431390720

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, 659, 762, 768, 960, 1016, 1270, 1280, 1318, 1524, 1536, 1905, 1920, 1977, 2032, 2540, 2560, 2636, 3048, 3295, 3810, 3840, 3954, 4064, 5080, 5272, 6096, 6590, 7620, 7680, 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, 65024, 79080, 81280, 83693, 84352, 97536, 105440, 121920, 126528, 158160, 162560, 167386, 168704, 195072, 210880, 243840, 251079, 253056, 316320, 325120, 334772, 337408, 418465, 421760, 487680, 502158, 506112, 632640, 669544, 836930, 843520, 975360, 1004316, 1012224, 1255395, 1265280, 1339088, 1673860, 1687040, 2008632, 2510790, 2530560, 2678176, 3347720, 4017264, 5021580, 5061120, 5356352, 6695440, 8034528, 10043160, 10712704, 13390880, 16069056, 20086320, 21425408, 26781760, 32138112, 40172640, 42850816, 53563520, 64276224, 80345280, 107127040, 128552448, 160690560, 214254080, 321381120, 642762240]

約数ペア:

[(1, 642762240), (2, 321381120), (3, 214254080), (4, 160690560), (5, 128552448), (6, 107127040), (8, 80345280), (10, 64276224), (12, 53563520), (15, 42850816), (16, 40172640), (20, 32138112), (24, 26781760), (30, 21425408), (32, 20086320), (40, 16069056), (48, 13390880), (60, 10712704), (64, 10043160), (80, 8034528), (96, 6695440), (120, 5356352), (127, 5061120), (128, 5021580), (160, 4017264), (192, 3347720), (240, 2678176), (254, 2530560), (256, 2510790), (320, 2008632), (381, 1687040), (384, 1673860), (480, 1339088), (508, 1265280), (512, 1255395), (635, 1012224), (640, 1004316), (659, 975360), (762, 843520), (768, 836930), (960, 669544), (1016, 632640), (1270, 506112), (1280, 502158), (1318, 487680), (1524, 421760), (1536, 418465), (1905, 337408), (1920, 334772), (1977, 325120), (2032, 316320), (2540, 253056), (2560, 251079), (2636, 243840), (3048, 210880), (3295, 195072), (3810, 168704), (3840, 167386), (3954, 162560), (4064, 158160), (5080, 126528), (5272, 121920), (6096, 105440), (6590, 97536), (7620, 84352), (7680, 83693), (7908, 81280), (8128, 79080), (9885, 65024), (10160, 63264), (10544, 60960), (12192, 52720), (13180, 48768), (15240, 42176), (15816, 40640), (16256, 39540), (19770, 32512), (20320, 31632), (21088, 30480), (24384, 26360)]