216781560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{911}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 706380480

約数和(自身を除く): 489598920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 661, 911, 1322, 1822, 1983, 2644, 2733, 3305, 3644, 3966, 4555, 5288, 5466, 5949, 6610, 7288, 7932, 8199, 9110, 9915, 10932, 11898, 13220, 13665, 15864, 16398, 18220, 19830, 21864, 23796, 26440, 27330, 29745, 32796, 36440, 39660, 40995, 47592, 54660, 59490, 65592, 79320, 81990, 109320, 118980, 163980, 237960, 327960, 602171, 1204342, 1806513, 2408684, 3010855, 3613026, 4817368, 5419539, 6021710, 7226052, 9032565, 10839078, 12043420, 14452104, 18065130, 21678156, 24086840, 27097695, 36130260, 43356312, 54195390, 72260520, 108390780, 216781560]

約数ペア:

[(1, 216781560), (2, 108390780), (3, 72260520), (4, 54195390), (5, 43356312), (6, 36130260), (8, 27097695), (9, 24086840), (10, 21678156), (12, 18065130), (15, 14452104), (18, 12043420), (20, 10839078), (24, 9032565), (30, 7226052), (36, 6021710), (40, 5419539), (45, 4817368), (60, 3613026), (72, 3010855), (90, 2408684), (120, 1806513), (180, 1204342), (360, 602171), (661, 327960), (911, 237960), (1322, 163980), (1822, 118980), (1983, 109320), (2644, 81990), (2733, 79320), (3305, 65592), (3644, 59490), (3966, 54660), (4555, 47592), (5288, 40995), (5466, 39660), (5949, 36440), (6610, 32796), (7288, 29745), (7932, 27330), (8199, 26440), (9110, 23796), (9915, 21864), (10932, 19830), (11898, 18220), (13220, 16398), (13665, 15864)]