640908960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2441}}^1$

素因数の和:3006

約数の個数: 96

約数和(自身を含む): 2023382592

約数和(自身を除く): 1382473632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 547, 1094, 1641, 2188, 2441, 2735, 3282, 4376, 4882, 5470, 6564, 7323, 8205, 8752, 9764, 10940, 12205, 13128, 14646, 16410, 17504, 19528, 21880, 24410, 26256, 29292, 32820, 36615, 39056, 43760, 48820, 52512, 58584, 65640, 73230, 78112, 87520, 97640, 117168, 131280, 146460, 195280, 234336, 262560, 292920, 390560, 585840, 1171680, 1335227, 2670454, 4005681, 5340908, 6676135, 8011362, 10681816, 13352270, 16022724, 20028405, 21363632, 26704540, 32045448, 40056810, 42727264, 53409080, 64090896, 80113620, 106818160, 128181792, 160227240, 213636320, 320454480, 640908960]

約数ペア:

[(1, 640908960), (2, 320454480), (3, 213636320), (4, 160227240), (5, 128181792), (6, 106818160), (8, 80113620), (10, 64090896), (12, 53409080), (15, 42727264), (16, 40056810), (20, 32045448), (24, 26704540), (30, 21363632), (32, 20028405), (40, 16022724), (48, 13352270), (60, 10681816), (80, 8011362), (96, 6676135), (120, 5340908), (160, 4005681), (240, 2670454), (480, 1335227), (547, 1171680), (1094, 585840), (1641, 390560), (2188, 292920), (2441, 262560), (2735, 234336), (3282, 195280), (4376, 146460), (4882, 131280), (5470, 117168), (6564, 97640), (7323, 87520), (8205, 78112), (8752, 73230), (9764, 65640), (10940, 58584), (12205, 52512), (13128, 48820), (14646, 43760), (16410, 39056), (17504, 36615), (19528, 32820), (21880, 29292), (24410, 26256)]