15780458745

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:952

約数の個数: 128

約数和(自身を含む): 29760238080

約数和(自身を除く): 13979779335

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 67, 111, 135, 183, 185, 201, 305, 333, 335, 549, 555, 603, 773, 915, 999, 1005, 1647, 1665, 1809, 2257, 2319, 2479, 2745, 3015, 3865, 4087, 4995, 6771, 6957, 7437, 8235, 9045, 11285, 11595, 12261, 12395, 20313, 20435, 20871, 22311, 28601, 33855, 34785, 36783, 37185, 47153, 51791, 60939, 61305, 66933, 85803, 101565, 104355, 110349, 111555, 141459, 143005, 151219, 155373, 183915, 235765, 257409, 258955, 304695, 334665, 424377, 429015, 453657, 466119, 551745, 707295, 756095, 772227, 776865, 1273131, 1287045, 1360971, 1398357, 1744661, 1916267, 2121885, 2268285, 2330595, 3159251, 3861135, 4082913, 5233983, 5748801, 6365655, 6804855, 6991785, 8723305, 9477753, 9581335, 15701949, 15796255, 17246403, 20414565, 26169915, 28433259, 28744005, 47105847, 47388765, 51739209, 78509745, 85299777, 86232015, 116892287, 142166295, 235529235, 258696045, 350676861, 426498885, 584461435, 1052030583, 1753384305, 3156091749, 5260152915, 15780458745]

約数ペア:

[(1, 15780458745), (3, 5260152915), (5, 3156091749), (9, 1753384305), (15, 1052030583), (27, 584461435), (37, 426498885), (45, 350676861), (61, 258696045), (67, 235529235), (111, 142166295), (135, 116892287), (183, 86232015), (185, 85299777), (201, 78509745), (305, 51739209), (333, 47388765), (335, 47105847), (549, 28744005), (555, 28433259), (603, 26169915), (773, 20414565), (915, 17246403), (999, 15796255), (1005, 15701949), (1647, 9581335), (1665, 9477753), (1809, 8723305), (2257, 6991785), (2319, 6804855), (2479, 6365655), (2745, 5748801), (3015, 5233983), (3865, 4082913), (4087, 3861135), (4995, 3159251), (6771, 2330595), (6957, 2268285), (7437, 2121885), (8235, 1916267), (9045, 1744661), (11285, 1398357), (11595, 1360971), (12261, 1287045), (12395, 1273131), (20313, 776865), (20435, 772227), (20871, 756095), (22311, 707295), (28601, 551745), (33855, 466119), (34785, 453657), (36783, 429015), (37185, 424377), (47153, 334665), (51791, 304695), (60939, 258955), (61305, 257409), (66933, 235765), (85803, 183915), (101565, 155373), (104355, 151219), (110349, 143005), (111555, 141459)]