678763410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 1862784000

約数和(自身を除く): 1184020590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 139, 190, 195, 247, 278, 285, 390, 417, 494, 570, 659, 695, 741, 834, 1235, 1318, 1390, 1482, 1807, 1977, 2085, 2470, 2641, 3295, 3614, 3705, 3954, 4170, 5282, 5421, 6590, 7410, 7923, 8567, 9035, 9885, 10842, 12521, 13205, 15846, 17134, 18070, 19770, 25042, 25701, 26410, 27105, 34333, 37563, 39615, 42835, 51402, 54210, 62605, 68666, 75126, 79230, 85670, 91601, 102999, 125210, 128505, 162773, 171665, 183202, 187815, 205998, 257010, 274803, 325546, 343330, 375630, 458005, 488319, 514995, 549606, 813865, 916010, 976638, 1029990, 1190813, 1374015, 1627730, 1740419, 2381626, 2441595, 2748030, 3480838, 3572439, 4883190, 5221257, 5954065, 7144878, 8702095, 10442514, 11908130, 17404190, 17862195, 22625447, 26106285, 35724390, 45250894, 52212570, 67876341, 113127235, 135752682, 226254470, 339381705, 678763410]

約数ペア:

[(1, 678763410), (2, 339381705), (3, 226254470), (5, 135752682), (6, 113127235), (10, 67876341), (13, 52212570), (15, 45250894), (19, 35724390), (26, 26106285), (30, 22625447), (38, 17862195), (39, 17404190), (57, 11908130), (65, 10442514), (78, 8702095), (95, 7144878), (114, 5954065), (130, 5221257), (139, 4883190), (190, 3572439), (195, 3480838), (247, 2748030), (278, 2441595), (285, 2381626), (390, 1740419), (417, 1627730), (494, 1374015), (570, 1190813), (659, 1029990), (695, 976638), (741, 916010), (834, 813865), (1235, 549606), (1318, 514995), (1390, 488319), (1482, 458005), (1807, 375630), (1977, 343330), (2085, 325546), (2470, 274803), (2641, 257010), (3295, 205998), (3614, 187815), (3705, 183202), (3954, 171665), (4170, 162773), (5282, 128505), (5421, 125210), (6590, 102999), (7410, 91601), (7923, 85670), (8567, 79230), (9035, 75126), (9885, 68666), (10842, 62605), (12521, 54210), (13205, 51402), (15846, 42835), (17134, 39615), (18070, 37563), (19770, 34333), (25042, 27105), (25701, 26410)]