28851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14143}}^1$

素因数の和:14174

約数の個数: 64

約数和(自身を含む): 91653120

約数和(自身を除く): 62801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 14143, 28286, 42429, 56572, 70715, 84858, 113144, 141430, 169716, 212145, 240431, 282860, 339432, 424290, 480862, 565720, 721293, 848580, 961724, 1202155, 1442586, 1697160, 1923448, 2404310, 2885172, 3606465, 4808620, 5770344, 7212930, 9617240, 14425860, 28851720]

約数ペア:

[(1, 28851720), (2, 14425860), (3, 9617240), (4, 7212930), (5, 5770344), (6, 4808620), (8, 3606465), (10, 2885172), (12, 2404310), (15, 1923448), (17, 1697160), (20, 1442586), (24, 1202155), (30, 961724), (34, 848580), (40, 721293), (51, 565720), (60, 480862), (68, 424290), (85, 339432), (102, 282860), (120, 240431), (136, 212145), (170, 169716), (204, 141430), (255, 113144), (340, 84858), (408, 70715), (510, 56572), (680, 42429), (1020, 28286), (2040, 14143)]