408978843520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{51151}}^1$

素因数の和:51245

約数の個数: 192

約数和(自身を含む): 1088006109120

約数和(自身を除く): 679027265600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 961, 992, 1040, 1240, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 3224, 3844, 3968, 4030, 4160, 4805, 4960, 6448, 7688, 8060, 8320, 9610, 9920, 12493, 12896, 15376, 16120, 19220, 19840, 24986, 25792, 30752, 32240, 38440, 49972, 51151, 51584, 61504, 62465, 64480, 76880, 99944, 102302, 123008, 124930, 128960, 153760, 199888, 204604, 249860, 255755, 257920, 307520, 399776, 409208, 499720, 511510, 615040, 664963, 799552, 818416, 999440, 1023020, 1329926, 1585681, 1599104, 1636832, 1998880, 2046040, 2659852, 3171362, 3273664, 3324815, 3997760, 4092080, 5319704, 6342724, 6547328, 6649630, 7928405, 7995520, 8184160, 10639408, 12685448, 13299260, 15856810, 16368320, 20613853, 21278816, 25370896, 26598520, 31713620, 32736640, 41227706, 42557632, 49156111, 50741792, 53197040, 63427240, 82455412, 85115264, 98312222, 101483584, 103069265, 106394080, 126854480, 164910824, 196624444, 202967168, 206138530, 212788160, 245780555, 253708960, 329821648, 393248888, 412277060, 425576320, 491561110, 507417920, 639029443, 659643296, 786497776, 824554120, 983122220, 1014835840, 1278058886, 1319286592, 1572995552, 1649108240, 1966244440, 2556117772, 2638573184, 3145991104, 3195147215, 3298216480, 3932488880, 5112235544, 6291982208, 6390294430, 6596432960, 7864977760, 10224471088, 12780588860, 13192865920, 15729955520, 20448942176, 25561177720, 31459911040, 40897884352, 51122355440, 81795768704, 102244710880, 204489421760, 408978843520]

約数ペア:

[(1, 408978843520), (2, 204489421760), (4, 102244710880), (5, 81795768704), (8, 51122355440), (10, 40897884352), (13, 31459911040), (16, 25561177720), (20, 20448942176), (26, 15729955520), (31, 13192865920), (32, 12780588860), (40, 10224471088), (52, 7864977760), (62, 6596432960), (64, 6390294430), (65, 6291982208), (80, 5112235544), (104, 3932488880), (124, 3298216480), (128, 3195147215), (130, 3145991104), (155, 2638573184), (160, 2556117772), (208, 1966244440), (248, 1649108240), (260, 1572995552), (310, 1319286592), (320, 1278058886), (403, 1014835840), (416, 983122220), (496, 824554120), (520, 786497776), (620, 659643296), (640, 639029443), (806, 507417920), (832, 491561110), (961, 425576320), (992, 412277060), (1040, 393248888), (1240, 329821648), (1612, 253708960), (1664, 245780555), (1922, 212788160), (1984, 206138530), (2015, 202967168), (2080, 196624444), (2480, 164910824), (3224, 126854480), (3844, 106394080), (3968, 103069265), (4030, 101483584), (4160, 98312222), (4805, 85115264), (4960, 82455412), (6448, 63427240), (7688, 53197040), (8060, 50741792), (8320, 49156111), (9610, 42557632), (9920, 41227706), (12493, 32736640), (12896, 31713620), (15376, 26598520), (16120, 25370896), (19220, 21278816), (19840, 20613853), (24986, 16368320), (25792, 15856810), (30752, 13299260), (32240, 12685448), (38440, 10639408), (49972, 8184160), (51151, 7995520), (51584, 7928405), (61504, 6649630), (62465, 6547328), (64480, 6342724), (76880, 5319704), (99944, 4092080), (102302, 3997760), (123008, 3324815), (124930, 3273664), (128960, 3171362), (153760, 2659852), (199888, 2046040), (204604, 1998880), (249860, 1636832), (255755, 1599104), (257920, 1585681), (307520, 1329926), (399776, 1023020), (409208, 999440), (499720, 818416), (511510, 799552), (615040, 664963)]