639408840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3004

約数の個数: 192

約数和(自身を含む): 2292494400

約数和(自身を除く): 1653085560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 280, 294, 296, 370, 392, 420, 444, 490, 518, 555, 588, 735, 740, 777, 840, 888, 980, 1036, 1110, 1176, 1295, 1470, 1480, 1554, 1813, 1960, 2072, 2220, 2590, 2939, 2940, 3108, 3626, 3885, 4440, 5180, 5439, 5878, 5880, 6216, 7252, 7770, 8817, 9065, 10360, 10878, 11756, 14504, 14695, 15540, 17634, 18130, 20573, 21756, 23512, 27195, 29390, 31080, 35268, 36260, 41146, 43512, 44085, 54390, 58780, 61719, 70536, 72520, 82292, 88170, 102865, 108743, 108780, 117560, 123438, 144011, 164584, 176340, 205730, 217486, 217560, 246876, 288022, 308595, 326229, 352680, 411460, 432033, 434972, 493752, 543715, 576044, 617190, 652458, 720055, 761201, 822920, 864066, 869944, 1087430, 1152088, 1234380, 1304916, 1440110, 1522402, 1631145, 1728132, 2160165, 2174860, 2283603, 2468760, 2609832, 2880220, 3044804, 3262290, 3456264, 3806005, 4320330, 4349720, 4567206, 5328407, 5760440, 6089608, 6524580, 7612010, 8640660, 9134412, 10656814, 11418015, 13049160, 15224020, 15985221, 17281320, 18268824, 21313628, 22836030, 26642035, 30448040, 31970442, 42627256, 45672060, 53284070, 63940884, 79926105, 91344120, 106568140, 127881768, 159852210, 213136280, 319704420, 639408840]

約数ペア:

[(1, 639408840), (2, 319704420), (3, 213136280), (4, 159852210), (5, 127881768), (6, 106568140), (7, 91344120), (8, 79926105), (10, 63940884), (12, 53284070), (14, 45672060), (15, 42627256), (20, 31970442), (21, 30448040), (24, 26642035), (28, 22836030), (30, 21313628), (35, 18268824), (37, 17281320), (40, 15985221), (42, 15224020), (49, 13049160), (56, 11418015), (60, 10656814), (70, 9134412), (74, 8640660), (84, 7612010), (98, 6524580), (105, 6089608), (111, 5760440), (120, 5328407), (140, 4567206), (147, 4349720), (148, 4320330), (168, 3806005), (185, 3456264), (196, 3262290), (210, 3044804), (222, 2880220), (245, 2609832), (259, 2468760), (280, 2283603), (294, 2174860), (296, 2160165), (370, 1728132), (392, 1631145), (420, 1522402), (444, 1440110), (490, 1304916), (518, 1234380), (555, 1152088), (588, 1087430), (735, 869944), (740, 864066), (777, 822920), (840, 761201), (888, 720055), (980, 652458), (1036, 617190), (1110, 576044), (1176, 543715), (1295, 493752), (1470, 434972), (1480, 432033), (1554, 411460), (1813, 352680), (1960, 326229), (2072, 308595), (2220, 288022), (2590, 246876), (2939, 217560), (2940, 217486), (3108, 205730), (3626, 176340), (3885, 164584), (4440, 144011), (5180, 123438), (5439, 117560), (5878, 108780), (5880, 108743), (6216, 102865), (7252, 88170), (7770, 82292), (8817, 72520), (9065, 70536), (10360, 61719), (10878, 58780), (11756, 54390), (14504, 44085), (14695, 43512), (15540, 41146), (17634, 36260), (18130, 35268), (20573, 31080), (21756, 29390), (23512, 27195)]