1815152080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{24371}}^1$

素因数の和:24417

約数の個数: 120

約数和(自身を含む): 5167838880

約数和(自身を除く): 3352686800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 7448, 9310, 10640, 14896, 18620, 24371, 37240, 48742, 74480, 97484, 121855, 170597, 194968, 243710, 341194, 389936, 463049, 487420, 682388, 852985, 926098, 974840, 1194179, 1364776, 1705970, 1852196, 1949680, 2315245, 2388358, 2729552, 3241343, 3411940, 3704392, 4630490, 4776716, 5970895, 6482686, 6823880, 7408784, 9260980, 9553432, 11941790, 12965372, 13647760, 16206715, 18521960, 19106864, 22689401, 23883580, 25930744, 32413430, 37043920, 45378802, 47767160, 51861488, 64826860, 90757604, 95534320, 113447005, 129653720, 181515208, 226894010, 259307440, 363030416, 453788020, 907576040, 1815152080]

約数ペア:

[(1, 1815152080), (2, 907576040), (4, 453788020), (5, 363030416), (7, 259307440), (8, 226894010), (10, 181515208), (14, 129653720), (16, 113447005), (19, 95534320), (20, 90757604), (28, 64826860), (35, 51861488), (38, 47767160), (40, 45378802), (49, 37043920), (56, 32413430), (70, 25930744), (76, 23883580), (80, 22689401), (95, 19106864), (98, 18521960), (112, 16206715), (133, 13647760), (140, 12965372), (152, 11941790), (190, 9553432), (196, 9260980), (245, 7408784), (266, 6823880), (280, 6482686), (304, 5970895), (380, 4776716), (392, 4630490), (490, 3704392), (532, 3411940), (560, 3241343), (665, 2729552), (760, 2388358), (784, 2315245), (931, 1949680), (980, 1852196), (1064, 1705970), (1330, 1364776), (1520, 1194179), (1862, 974840), (1960, 926098), (2128, 852985), (2660, 682388), (3724, 487420), (3920, 463049), (4655, 389936), (5320, 341194), (7448, 243710), (9310, 194968), (10640, 170597), (14896, 121855), (18620, 97484), (24371, 74480), (37240, 48742)]