1258745080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 3015936000

約数和(自身を除く): 1757190920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 109, 124, 134, 139, 155, 218, 248, 268, 278, 310, 335, 436, 536, 545, 556, 620, 670, 695, 872, 1090, 1112, 1240, 1340, 1390, 2077, 2180, 2680, 2780, 3379, 4154, 4309, 4360, 5560, 6758, 7303, 8308, 8618, 9313, 10385, 13516, 14606, 15151, 16616, 16895, 17236, 18626, 20770, 21545, 27032, 29212, 30302, 33790, 34472, 36515, 37252, 41540, 43090, 46565, 58424, 60604, 67580, 73030, 74504, 75755, 83080, 86180, 93130, 121208, 135160, 146060, 151510, 172360, 186260, 226393, 288703, 292120, 303020, 372520, 452786, 469681, 577406, 606040, 905572, 939362, 1015117, 1131965, 1154812, 1443515, 1811144, 1878724, 2030234, 2263930, 2309624, 2348405, 2887030, 3757448, 4060468, 4527860, 4696810, 5075585, 5774060, 8120936, 9055720, 9393620, 10151170, 11548120, 18787240, 20302340, 31468627, 40604680, 62937254, 125874508, 157343135, 251749016, 314686270, 629372540, 1258745080]

約数ペア:

[(1, 1258745080), (2, 629372540), (4, 314686270), (5, 251749016), (8, 157343135), (10, 125874508), (20, 62937254), (31, 40604680), (40, 31468627), (62, 20302340), (67, 18787240), (109, 11548120), (124, 10151170), (134, 9393620), (139, 9055720), (155, 8120936), (218, 5774060), (248, 5075585), (268, 4696810), (278, 4527860), (310, 4060468), (335, 3757448), (436, 2887030), (536, 2348405), (545, 2309624), (556, 2263930), (620, 2030234), (670, 1878724), (695, 1811144), (872, 1443515), (1090, 1154812), (1112, 1131965), (1240, 1015117), (1340, 939362), (1390, 905572), (2077, 606040), (2180, 577406), (2680, 469681), (2780, 452786), (3379, 372520), (4154, 303020), (4309, 292120), (4360, 288703), (5560, 226393), (6758, 186260), (7303, 172360), (8308, 151510), (8618, 146060), (9313, 135160), (10385, 121208), (13516, 93130), (14606, 86180), (15151, 83080), (16616, 75755), (16895, 74504), (17236, 73030), (18626, 67580), (20770, 60604), (21545, 58424), (27032, 46565), (29212, 43090), (30302, 41540), (33790, 37252), (34472, 36515)]