260515010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 556498944

約数和(自身を除く): 295983934

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 271, 310, 434, 443, 542, 886, 1085, 1355, 1897, 2170, 2215, 2710, 3101, 3794, 4430, 6202, 8401, 9485, 13733, 15505, 16802, 18970, 27466, 31010, 42005, 58807, 68665, 84010, 96131, 117614, 120053, 137330, 192262, 240106, 294035, 480655, 588070, 600265, 840371, 961310, 1200530, 1680742, 3721643, 4201855, 7443286, 8403710, 18608215, 26051501, 37216430, 52103002, 130257505, 260515010]

約数ペア:

[(1, 260515010), (2, 130257505), (5, 52103002), (7, 37216430), (10, 26051501), (14, 18608215), (31, 8403710), (35, 7443286), (62, 4201855), (70, 3721643), (155, 1680742), (217, 1200530), (271, 961310), (310, 840371), (434, 600265), (443, 588070), (542, 480655), (886, 294035), (1085, 240106), (1355, 192262), (1897, 137330), (2170, 120053), (2215, 117614), (2710, 96131), (3101, 84010), (3794, 68665), (4430, 58807), (6202, 42005), (8401, 31010), (9485, 27466), (13733, 18970), (15505, 16802)]