840888

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 2484000

約数和(自身を除く): 1643112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 229, 306, 408, 458, 459, 612, 687, 916, 918, 1224, 1374, 1832, 1836, 2061, 2748, 3672, 3893, 4122, 5496, 6183, 7786, 8244, 11679, 12366, 15572, 16488, 23358, 24732, 31144, 35037, 46716, 49464, 70074, 93432, 105111, 140148, 210222, 280296, 420444, 840888]

約数ペア:

[(1, 840888), (2, 420444), (3, 280296), (4, 210222), (6, 140148), (8, 105111), (9, 93432), (12, 70074), (17, 49464), (18, 46716), (24, 35037), (27, 31144), (34, 24732), (36, 23358), (51, 16488), (54, 15572), (68, 12366), (72, 11679), (102, 8244), (108, 7786), (136, 6183), (153, 5496), (204, 4122), (216, 3893), (229, 3672), (306, 2748), (408, 2061), (458, 1836), (459, 1832), (612, 1374), (687, 1224), (916, 918)]