259968240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51581}}^1$

素因数の和:51607

約数の個数: 120

約数和(自身を含む): 997802208

約数和(自身を除く): 737833968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51581, 103162, 154743, 206324, 257905, 309486, 361067, 412648, 464229, 515810, 618972, 722134, 773715, 825296, 928458, 1031620, 1083201, 1237944, 1444268, 1547430, 1805335, 1856916, 2063240, 2166402, 2321145, 2475888, 2888536, 3094860, 3249603, 3610670, 3713832, 4126480, 4332804, 4642290, 5416005, 5777072, 6189720, 6499206, 7221340, 7427664, 8665608, 9284580, 10832010, 12379440, 12998412, 14442680, 16248015, 17331216, 18569160, 21664020, 25996824, 28885360, 32496030, 37138320, 43328040, 51993648, 64992060, 86656080, 129984120, 259968240]

約数ペア:

[(1, 259968240), (2, 129984120), (3, 86656080), (4, 64992060), (5, 51993648), (6, 43328040), (7, 37138320), (8, 32496030), (9, 28885360), (10, 25996824), (12, 21664020), (14, 18569160), (15, 17331216), (16, 16248015), (18, 14442680), (20, 12998412), (21, 12379440), (24, 10832010), (28, 9284580), (30, 8665608), (35, 7427664), (36, 7221340), (40, 6499206), (42, 6189720), (45, 5777072), (48, 5416005), (56, 4642290), (60, 4332804), (63, 4126480), (70, 3713832), (72, 3610670), (80, 3249603), (84, 3094860), (90, 2888536), (105, 2475888), (112, 2321145), (120, 2166402), (126, 2063240), (140, 1856916), (144, 1805335), (168, 1547430), (180, 1444268), (210, 1237944), (240, 1083201), (252, 1031620), (280, 928458), (315, 825296), (336, 773715), (360, 722134), (420, 618972), (504, 515810), (560, 464229), (630, 412648), (720, 361067), (840, 309486), (1008, 257905), (1260, 206324), (1680, 154743), (2520, 103162), (5040, 51581)]