19751760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3919}}^1$

素因数の和:3945

約数の個数: 120

約数和(自身を含む): 75828480

約数和(自身を除く): 56076720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3919, 5040, 7838, 11757, 15676, 19595, 23514, 27433, 31352, 35271, 39190, 47028, 54866, 58785, 62704, 70542, 78380, 82299, 94056, 109732, 117570, 137165, 141084, 156760, 164598, 176355, 188112, 219464, 235140, 246897, 274330, 282168, 313520, 329196, 352710, 411495, 438928, 470280, 493794, 548660, 564336, 658392, 705420, 822990, 940560, 987588, 1097320, 1234485, 1316784, 1410840, 1645980, 1975176, 2194640, 2468970, 2821680, 3291960, 3950352, 4937940, 6583920, 9875880, 19751760]

約数ペア:

[(1, 19751760), (2, 9875880), (3, 6583920), (4, 4937940), (5, 3950352), (6, 3291960), (7, 2821680), (8, 2468970), (9, 2194640), (10, 1975176), (12, 1645980), (14, 1410840), (15, 1316784), (16, 1234485), (18, 1097320), (20, 987588), (21, 940560), (24, 822990), (28, 705420), (30, 658392), (35, 564336), (36, 548660), (40, 493794), (42, 470280), (45, 438928), (48, 411495), (56, 352710), (60, 329196), (63, 313520), (70, 282168), (72, 274330), (80, 246897), (84, 235140), (90, 219464), (105, 188112), (112, 176355), (120, 164598), (126, 156760), (140, 141084), (144, 137165), (168, 117570), (180, 109732), (210, 94056), (240, 82299), (252, 78380), (280, 70542), (315, 62704), (336, 58785), (360, 54866), (420, 47028), (504, 39190), (560, 35271), (630, 31352), (720, 27433), (840, 23514), (1008, 19595), (1260, 15676), (1680, 11757), (2520, 7838), (3919, 5040)]