128163560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 344736000

約数和(自身を除く): 216572440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 89, 139, 140, 148, 178, 185, 259, 278, 280, 296, 356, 370, 445, 518, 556, 623, 695, 712, 740, 890, 973, 1036, 1112, 1246, 1295, 1390, 1480, 1780, 1946, 2072, 2492, 2590, 2780, 3115, 3293, 3560, 3892, 4865, 4984, 5143, 5180, 5560, 6230, 6586, 7784, 9730, 10286, 10360, 12371, 12460, 13172, 16465, 19460, 20572, 23051, 24742, 24920, 25715, 26344, 32930, 36001, 38920, 41144, 46102, 49484, 51430, 61855, 65860, 72002, 86597, 92204, 98968, 102860, 115255, 123710, 131720, 144004, 173194, 180005, 184408, 205720, 230510, 247420, 288008, 346388, 360010, 432985, 457727, 461020, 494840, 692776, 720020, 865970, 915454, 922040, 1440040, 1731940, 1830908, 2288635, 3204089, 3463880, 3661816, 4577270, 6408178, 9154540, 12816356, 16020445, 18309080, 25632712, 32040890, 64081780, 128163560]

約数ペア:

[(1, 128163560), (2, 64081780), (4, 32040890), (5, 25632712), (7, 18309080), (8, 16020445), (10, 12816356), (14, 9154540), (20, 6408178), (28, 4577270), (35, 3661816), (37, 3463880), (40, 3204089), (56, 2288635), (70, 1830908), (74, 1731940), (89, 1440040), (139, 922040), (140, 915454), (148, 865970), (178, 720020), (185, 692776), (259, 494840), (278, 461020), (280, 457727), (296, 432985), (356, 360010), (370, 346388), (445, 288008), (518, 247420), (556, 230510), (623, 205720), (695, 184408), (712, 180005), (740, 173194), (890, 144004), (973, 131720), (1036, 123710), (1112, 115255), (1246, 102860), (1295, 98968), (1390, 92204), (1480, 86597), (1780, 72002), (1946, 65860), (2072, 61855), (2492, 51430), (2590, 49484), (2780, 46102), (3115, 41144), (3293, 38920), (3560, 36001), (3892, 32930), (4865, 26344), (4984, 25715), (5143, 24920), (5180, 24742), (5560, 23051), (6230, 20572), (6586, 19460), (7784, 16465), (9730, 13172), (10286, 12460), (10360, 12371)]