80220780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 120

約数和(自身を含む): 262719072

約数和(自身を除く): 182498292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 810, 828, 1035, 1242, 1380, 1620, 1863, 2070, 2153, 2484, 3105, 3726, 4140, 4306, 6210, 6459, 7452, 8612, 9315, 10765, 12420, 12918, 18630, 19377, 21530, 25836, 32295, 37260, 38754, 43060, 49519, 58131, 64590, 77508, 96885, 99038, 116262, 129180, 148557, 174393, 193770, 198076, 232524, 247595, 290655, 297114, 348786, 387540, 445671, 495190, 581310, 594228, 697572, 742785, 871965, 891342, 990380, 1162620, 1337013, 1485570, 1743930, 1782684, 2228355, 2674026, 2971140, 3487860, 4011039, 4456710, 5348052, 6685065, 8022078, 8913420, 13370130, 16044156, 20055195, 26740260, 40110390, 80220780]

約数ペア:

[(1, 80220780), (2, 40110390), (3, 26740260), (4, 20055195), (5, 16044156), (6, 13370130), (9, 8913420), (10, 8022078), (12, 6685065), (15, 5348052), (18, 4456710), (20, 4011039), (23, 3487860), (27, 2971140), (30, 2674026), (36, 2228355), (45, 1782684), (46, 1743930), (54, 1485570), (60, 1337013), (69, 1162620), (81, 990380), (90, 891342), (92, 871965), (108, 742785), (115, 697572), (135, 594228), (138, 581310), (162, 495190), (180, 445671), (207, 387540), (230, 348786), (270, 297114), (276, 290655), (324, 247595), (345, 232524), (405, 198076), (414, 193770), (460, 174393), (540, 148557), (621, 129180), (690, 116262), (810, 99038), (828, 96885), (1035, 77508), (1242, 64590), (1380, 58131), (1620, 49519), (1863, 43060), (2070, 38754), (2153, 37260), (2484, 32295), (3105, 25836), (3726, 21530), (4140, 19377), (4306, 18630), (6210, 12918), (6459, 12420), (7452, 10765), (8612, 9315)]