240716280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1093

約数の個数: 128

約数和(自身を含む): 828403200

約数和(自身を除く): 587686920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 509, 563, 840, 1018, 1126, 1527, 1689, 2036, 2252, 2545, 2815, 3054, 3378, 3563, 3941, 4072, 4504, 5090, 5630, 6108, 6756, 7126, 7635, 7882, 8445, 10180, 10689, 11260, 11823, 12216, 13512, 14252, 15270, 15764, 16890, 17815, 19705, 20360, 21378, 22520, 23646, 28504, 30540, 31528, 33780, 35630, 39410, 42756, 47292, 53445, 59115, 61080, 67560, 71260, 78820, 85512, 94584, 106890, 118230, 142520, 157640, 213780, 236460, 286567, 427560, 472920, 573134, 859701, 1146268, 1432835, 1719402, 2005969, 2292536, 2865670, 3438804, 4011938, 4298505, 5731340, 6017907, 6877608, 8023876, 8597010, 10029845, 11462680, 12035814, 16047752, 17194020, 20059690, 24071628, 30089535, 34388040, 40119380, 48143256, 60179070, 80238760, 120358140, 240716280]

約数ペア:

[(1, 240716280), (2, 120358140), (3, 80238760), (4, 60179070), (5, 48143256), (6, 40119380), (7, 34388040), (8, 30089535), (10, 24071628), (12, 20059690), (14, 17194020), (15, 16047752), (20, 12035814), (21, 11462680), (24, 10029845), (28, 8597010), (30, 8023876), (35, 6877608), (40, 6017907), (42, 5731340), (56, 4298505), (60, 4011938), (70, 3438804), (84, 2865670), (105, 2292536), (120, 2005969), (140, 1719402), (168, 1432835), (210, 1146268), (280, 859701), (420, 573134), (509, 472920), (563, 427560), (840, 286567), (1018, 236460), (1126, 213780), (1527, 157640), (1689, 142520), (2036, 118230), (2252, 106890), (2545, 94584), (2815, 85512), (3054, 78820), (3378, 71260), (3563, 67560), (3941, 61080), (4072, 59115), (4504, 53445), (5090, 47292), (5630, 42756), (6108, 39410), (6756, 35630), (7126, 33780), (7635, 31528), (7882, 30540), (8445, 28504), (10180, 23646), (10689, 22520), (11260, 21378), (11823, 20360), (12216, 19705), (13512, 17815), (14252, 16890), (15270, 15764)]