80308640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 200672640

約数和(自身を除く): 120364000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 139, 157, 160, 184, 230, 278, 314, 368, 460, 556, 628, 695, 736, 785, 920, 1112, 1256, 1390, 1570, 1840, 2224, 2512, 2780, 3140, 3197, 3611, 3680, 4448, 5024, 5560, 6280, 6394, 7222, 11120, 12560, 12788, 14444, 15985, 18055, 21823, 22240, 25120, 25576, 28888, 31970, 36110, 43646, 51152, 57776, 63940, 72220, 87292, 102304, 109115, 115552, 127880, 144440, 174584, 218230, 255760, 288880, 349168, 436460, 501929, 511520, 577760, 698336, 872920, 1003858, 1745840, 2007716, 2509645, 3491680, 4015432, 5019290, 8030864, 10038580, 16061728, 20077160, 40154320, 80308640]

約数ペア:

[(1, 80308640), (2, 40154320), (4, 20077160), (5, 16061728), (8, 10038580), (10, 8030864), (16, 5019290), (20, 4015432), (23, 3491680), (32, 2509645), (40, 2007716), (46, 1745840), (80, 1003858), (92, 872920), (115, 698336), (139, 577760), (157, 511520), (160, 501929), (184, 436460), (230, 349168), (278, 288880), (314, 255760), (368, 218230), (460, 174584), (556, 144440), (628, 127880), (695, 115552), (736, 109115), (785, 102304), (920, 87292), (1112, 72220), (1256, 63940), (1390, 57776), (1570, 51152), (1840, 43646), (2224, 36110), (2512, 31970), (2780, 28888), (3140, 25576), (3197, 25120), (3611, 22240), (3680, 21823), (4448, 18055), (5024, 15985), (5560, 14444), (6280, 12788), (6394, 12560), (7222, 11120)]