21270240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14771}}^1$

素因数の和:14792

約数の個数: 72

約数和(自身を含む): 72589608

約数和(自身を除く): 51319368

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, 160, 180, 240, 288, 360, 480, 720, 1440, 14771, 29542, 44313, 59084, 73855, 88626, 118168, 132939, 147710, 177252, 221565, 236336, 265878, 295420, 354504, 443130, 472672, 531756, 590840, 664695, 709008, 886260, 1063512, 1181680, 1329390, 1418016, 1772520, 2127024, 2363360, 2658780, 3545040, 4254048, 5317560, 7090080, 10635120, 21270240]

約数ペア:

[(1, 21270240), (2, 10635120), (3, 7090080), (4, 5317560), (5, 4254048), (6, 3545040), (8, 2658780), (9, 2363360), (10, 2127024), (12, 1772520), (15, 1418016), (16, 1329390), (18, 1181680), (20, 1063512), (24, 886260), (30, 709008), (32, 664695), (36, 590840), (40, 531756), (45, 472672), (48, 443130), (60, 354504), (72, 295420), (80, 265878), (90, 236336), (96, 221565), (120, 177252), (144, 147710), (160, 132939), (180, 118168), (240, 88626), (288, 73855), (360, 59084), (480, 44313), (720, 29542), (1440, 14771)]