721987020

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2203

約数の個数: 168

約数和(自身を含む): 2373156576

約数和(自身を除く): 1651169556

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, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 690, 729, 810, 828, 972, 1035, 1215, 1242, 1380, 1458, 1620, 1863, 2070, 2153, 2430, 2484, 2916, 3105, 3645, 3726, 4140, 4306, 4860, 5589, 6210, 6459, 7290, 7452, 8612, 9315, 10765, 11178, 12420, 12918, 14580, 16767, 18630, 19377, 21530, 22356, 25836, 27945, 32295, 33534, 37260, 38754, 43060, 49519, 55890, 58131, 64590, 67068, 77508, 83835, 96885, 99038, 111780, 116262, 129180, 148557, 167670, 174393, 193770, 198076, 232524, 247595, 290655, 297114, 335340, 348786, 387540, 445671, 495190, 523179, 581310, 594228, 697572, 742785, 871965, 891342, 990380, 1046358, 1162620, 1337013, 1485570, 1569537, 1743930, 1782684, 2092716, 2228355, 2615895, 2674026, 2971140, 3139074, 3487860, 4011039, 4456710, 5231790, 5348052, 6278148, 6685065, 7847685, 8022078, 8913420, 10463580, 12033117, 13370130, 15695370, 16044156, 20055195, 24066234, 26740260, 31390740, 36099351, 40110390, 48132468, 60165585, 72198702, 80220780, 120331170, 144397404, 180496755, 240662340, 360993510, 721987020]

約数ペア:

[(1, 721987020), (2, 360993510), (3, 240662340), (4, 180496755), (5, 144397404), (6, 120331170), (9, 80220780), (10, 72198702), (12, 60165585), (15, 48132468), (18, 40110390), (20, 36099351), (23, 31390740), (27, 26740260), (30, 24066234), (36, 20055195), (45, 16044156), (46, 15695370), (54, 13370130), (60, 12033117), (69, 10463580), (81, 8913420), (90, 8022078), (92, 7847685), (108, 6685065), (115, 6278148), (135, 5348052), (138, 5231790), (162, 4456710), (180, 4011039), (207, 3487860), (230, 3139074), (243, 2971140), (270, 2674026), (276, 2615895), (324, 2228355), (345, 2092716), (405, 1782684), (414, 1743930), (460, 1569537), (486, 1485570), (540, 1337013), (621, 1162620), (690, 1046358), (729, 990380), (810, 891342), (828, 871965), (972, 742785), (1035, 697572), (1215, 594228), (1242, 581310), (1380, 523179), (1458, 495190), (1620, 445671), (1863, 387540), (2070, 348786), (2153, 335340), (2430, 297114), (2484, 290655), (2916, 247595), (3105, 232524), (3645, 198076), (3726, 193770), (4140, 174393), (4306, 167670), (4860, 148557), (5589, 129180), (6210, 116262), (6459, 111780), (7290, 99038), (7452, 96885), (8612, 83835), (9315, 77508), (10765, 67068), (11178, 64590), (12420, 58131), (12918, 55890), (14580, 49519), (16767, 43060), (18630, 38754), (19377, 37260), (21530, 33534), (22356, 32295), (25836, 27945)]