64854020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1881

約数の個数: 96

約数和(自身を含む): 177278976

約数和(自身を除く): 112424956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 1831, 2530, 3220, 3542, 3662, 5060, 7084, 7324, 8855, 9155, 12817, 17710, 18310, 20141, 25634, 35420, 36620, 40282, 42113, 51268, 64085, 80564, 84226, 100705, 128170, 140987, 168452, 201410, 210565, 256340, 281974, 294791, 402820, 421130, 463243, 563948, 589582, 704935, 842260, 926486, 1179164, 1409870, 1473955, 1852972, 2316215, 2819740, 2947910, 3242701, 4632430, 5895820, 6485402, 9264860, 12970804, 16213505, 32427010, 64854020]

約数ペア:

[(1, 64854020), (2, 32427010), (4, 16213505), (5, 12970804), (7, 9264860), (10, 6485402), (11, 5895820), (14, 4632430), (20, 3242701), (22, 2947910), (23, 2819740), (28, 2316215), (35, 1852972), (44, 1473955), (46, 1409870), (55, 1179164), (70, 926486), (77, 842260), (92, 704935), (110, 589582), (115, 563948), (140, 463243), (154, 421130), (161, 402820), (220, 294791), (230, 281974), (253, 256340), (308, 210565), (322, 201410), (385, 168452), (460, 140987), (506, 128170), (644, 100705), (770, 84226), (805, 80564), (1012, 64085), (1265, 51268), (1540, 42113), (1610, 40282), (1771, 36620), (1831, 35420), (2530, 25634), (3220, 20141), (3542, 18310), (3662, 17710), (5060, 12817), (7084, 9155), (7324, 8855)]