87671720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4218

約数の個数: 64

約数和(自身を含む): 215654400

約数和(自身を除く): 127982680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4159, 4216, 5270, 8318, 10540, 16636, 20795, 21080, 33272, 41590, 70703, 83180, 128929, 141406, 166360, 257858, 282812, 353515, 515716, 565624, 644645, 707030, 1031432, 1289290, 1414060, 2191793, 2578580, 2828120, 4383586, 5157160, 8767172, 10958965, 17534344, 21917930, 43835860, 87671720]

約数ペア:

[(1, 87671720), (2, 43835860), (4, 21917930), (5, 17534344), (8, 10958965), (10, 8767172), (17, 5157160), (20, 4383586), (31, 2828120), (34, 2578580), (40, 2191793), (62, 1414060), (68, 1289290), (85, 1031432), (124, 707030), (136, 644645), (155, 565624), (170, 515716), (248, 353515), (310, 282812), (340, 257858), (527, 166360), (620, 141406), (680, 128929), (1054, 83180), (1240, 70703), (2108, 41590), (2635, 33272), (4159, 21080), (4216, 20795), (5270, 16636), (8318, 10540)]