81297720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32261}}^1$

素因数の和:32285

約数の個数: 96

約数和(自身を含む): 301972320

約数和(自身を除く): 220674600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32261, 64522, 96783, 129044, 161305, 193566, 225827, 258088, 290349, 322610, 387132, 451654, 483915, 580698, 645220, 677481, 774264, 903308, 967830, 1129135, 1161396, 1290440, 1354962, 1451745, 1806616, 1935660, 2032443, 2258270, 2322792, 2709924, 2903490, 3387405, 3871320, 4064886, 4516540, 5419848, 5806980, 6774810, 8129772, 9033080, 10162215, 11613960, 13549620, 16259544, 20324430, 27099240, 40648860, 81297720]

約数ペア:

[(1, 81297720), (2, 40648860), (3, 27099240), (4, 20324430), (5, 16259544), (6, 13549620), (7, 11613960), (8, 10162215), (9, 9033080), (10, 8129772), (12, 6774810), (14, 5806980), (15, 5419848), (18, 4516540), (20, 4064886), (21, 3871320), (24, 3387405), (28, 2903490), (30, 2709924), (35, 2322792), (36, 2258270), (40, 2032443), (42, 1935660), (45, 1806616), (56, 1451745), (60, 1354962), (63, 1290440), (70, 1161396), (72, 1129135), (84, 967830), (90, 903308), (105, 774264), (120, 677481), (126, 645220), (140, 580698), (168, 483915), (180, 451654), (210, 387132), (252, 322610), (280, 290349), (315, 258088), (360, 225827), (420, 193566), (504, 161305), (630, 129044), (840, 96783), (1260, 64522), (2520, 32261)]