1581036720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{387509}}^1$

素因数の和:387542

約数の個数: 80

約数和(自身を含む): 5189533920

約数和(自身を除く): 3608497200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 387509, 775018, 1162527, 1550036, 1937545, 2325054, 3100072, 3875090, 4650108, 5812635, 6200144, 6587653, 7750180, 9300216, 11625270, 13175306, 15500360, 18600432, 19762959, 23250540, 26350612, 31000720, 32938265, 39525918, 46501080, 52701224, 65876530, 79051836, 93002160, 98814795, 105402448, 131753060, 158103672, 197629590, 263506120, 316207344, 395259180, 527012240, 790518360, 1581036720]

約数ペア:

[(1, 1581036720), (2, 790518360), (3, 527012240), (4, 395259180), (5, 316207344), (6, 263506120), (8, 197629590), (10, 158103672), (12, 131753060), (15, 105402448), (16, 98814795), (17, 93002160), (20, 79051836), (24, 65876530), (30, 52701224), (34, 46501080), (40, 39525918), (48, 32938265), (51, 31000720), (60, 26350612), (68, 23250540), (80, 19762959), (85, 18600432), (102, 15500360), (120, 13175306), (136, 11625270), (170, 9300216), (204, 7750180), (240, 6587653), (255, 6200144), (272, 5812635), (340, 4650108), (408, 3875090), (510, 3100072), (680, 2325054), (816, 1937545), (1020, 1550036), (1360, 1162527), (2040, 775018), (4080, 387509)]