281280360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 882524160

約数和(自身を除く): 601243800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 830, 911, 930, 996, 1240, 1245, 1660, 1822, 1860, 1992, 2490, 2573, 2733, 3320, 3644, 3720, 4555, 4980, 5146, 5466, 7288, 7719, 9110, 9960, 10292, 10932, 12865, 13665, 15438, 18220, 20584, 21864, 25730, 27330, 28241, 30876, 36440, 38595, 51460, 54660, 56482, 61752, 75613, 77190, 84723, 102920, 109320, 112964, 141205, 151226, 154380, 169446, 225928, 226839, 282410, 302452, 308760, 338892, 378065, 423615, 453678, 564820, 604904, 677784, 756130, 847230, 907356, 1129640, 1134195, 1512260, 1694460, 1814712, 2268390, 2344003, 3024520, 3388920, 4536780, 4688006, 7032009, 9073560, 9376012, 11720015, 14064018, 18752024, 23440030, 28128036, 35160045, 46880060, 56256072, 70320090, 93760120, 140640180, 281280360]

約数ペア:

[(1, 281280360), (2, 140640180), (3, 93760120), (4, 70320090), (5, 56256072), (6, 46880060), (8, 35160045), (10, 28128036), (12, 23440030), (15, 18752024), (20, 14064018), (24, 11720015), (30, 9376012), (31, 9073560), (40, 7032009), (60, 4688006), (62, 4536780), (83, 3388920), (93, 3024520), (120, 2344003), (124, 2268390), (155, 1814712), (166, 1694460), (186, 1512260), (248, 1134195), (249, 1129640), (310, 907356), (332, 847230), (372, 756130), (415, 677784), (465, 604904), (498, 564820), (620, 453678), (664, 423615), (744, 378065), (830, 338892), (911, 308760), (930, 302452), (996, 282410), (1240, 226839), (1245, 225928), (1660, 169446), (1822, 154380), (1860, 151226), (1992, 141205), (2490, 112964), (2573, 109320), (2733, 102920), (3320, 84723), (3644, 77190), (3720, 75613), (4555, 61752), (4980, 56482), (5146, 54660), (5466, 51460), (7288, 38595), (7719, 36440), (9110, 30876), (9960, 28241), (10292, 27330), (10932, 25730), (12865, 21864), (13665, 20584), (15438, 18220)]