64418775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 111421440

約数和(自身を除く): 47002665

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 103, 155, 269, 309, 465, 515, 775, 807, 1345, 1545, 2325, 2575, 3193, 4035, 6725, 7725, 8339, 9579, 15965, 20175, 25017, 27707, 41695, 47895, 79825, 83121, 125085, 138535, 208475, 239475, 415605, 625425, 692675, 858917, 2078025, 2576751, 4294585, 12883755, 21472925, 64418775]

約数ペア:

[(1, 64418775), (3, 21472925), (5, 12883755), (15, 4294585), (25, 2576751), (31, 2078025), (75, 858917), (93, 692675), (103, 625425), (155, 415605), (269, 239475), (309, 208475), (465, 138535), (515, 125085), (775, 83121), (807, 79825), (1345, 47895), (1545, 41695), (2325, 27707), (2575, 25017), (3193, 20175), (4035, 15965), (6725, 9579), (7725, 8339)]