1388846880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6473}}^1$

素因数の和:6643

約数の個数: 144

約数和(自身を含む): 4771985400

約数和(自身を除く): 3383138520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 240, 288, 298, 360, 447, 480, 596, 720, 745, 894, 1192, 1341, 1440, 1490, 1788, 2235, 2384, 2682, 2980, 3576, 4470, 4768, 5364, 5960, 6473, 6705, 7152, 8940, 10728, 11920, 12946, 13410, 14304, 17880, 19419, 21456, 23840, 25892, 26820, 32365, 35760, 38838, 42912, 51784, 53640, 58257, 64730, 71520, 77676, 97095, 103568, 107280, 116514, 129460, 155352, 194190, 207136, 214560, 233028, 258920, 291285, 310704, 388380, 466056, 517840, 582570, 621408, 776760, 932112, 964477, 1035680, 1165140, 1553520, 1864224, 1928954, 2330280, 2893431, 3107040, 3857908, 4660560, 4822385, 5786862, 7715816, 8680293, 9321120, 9644770, 11573724, 14467155, 15431632, 17360586, 19289540, 23147448, 28934310, 30863264, 34721172, 38579080, 43401465, 46294896, 57868620, 69442344, 77158160, 86802930, 92589792, 115737240, 138884688, 154316320, 173605860, 231474480, 277769376, 347211720, 462948960, 694423440, 1388846880]

約数ペア:

[(1, 1388846880), (2, 694423440), (3, 462948960), (4, 347211720), (5, 277769376), (6, 231474480), (8, 173605860), (9, 154316320), (10, 138884688), (12, 115737240), (15, 92589792), (16, 86802930), (18, 77158160), (20, 69442344), (24, 57868620), (30, 46294896), (32, 43401465), (36, 38579080), (40, 34721172), (45, 30863264), (48, 28934310), (60, 23147448), (72, 19289540), (80, 17360586), (90, 15431632), (96, 14467155), (120, 11573724), (144, 9644770), (149, 9321120), (160, 8680293), (180, 7715816), (240, 5786862), (288, 4822385), (298, 4660560), (360, 3857908), (447, 3107040), (480, 2893431), (596, 2330280), (720, 1928954), (745, 1864224), (894, 1553520), (1192, 1165140), (1341, 1035680), (1440, 964477), (1490, 932112), (1788, 776760), (2235, 621408), (2384, 582570), (2682, 517840), (2980, 466056), (3576, 388380), (4470, 310704), (4768, 291285), (5364, 258920), (5960, 233028), (6473, 214560), (6705, 207136), (7152, 194190), (8940, 155352), (10728, 129460), (11920, 116514), (12946, 107280), (13410, 103568), (14304, 97095), (17880, 77676), (19419, 71520), (21456, 64730), (23840, 58257), (25892, 53640), (26820, 51784), (32365, 42912), (35760, 38838)]