28111440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:629

約数の個数: 160

約数和(自身を含む): 103207680

約数和(自身を除く): 75096240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 577, 580, 609, 696, 812, 840, 870, 1015, 1154, 1160, 1218, 1392, 1624, 1680, 1731, 1740, 2030, 2308, 2320, 2436, 2885, 3045, 3248, 3462, 3480, 4039, 4060, 4616, 4872, 5770, 6090, 6924, 6960, 8078, 8120, 8655, 9232, 9744, 11540, 12117, 12180, 13848, 16156, 16240, 16733, 17310, 20195, 23080, 24234, 24360, 27696, 32312, 33466, 34620, 40390, 46160, 48468, 48720, 50199, 60585, 64624, 66932, 69240, 80780, 83665, 96936, 100398, 117131, 121170, 133864, 138480, 161560, 167330, 193872, 200796, 234262, 242340, 250995, 267728, 323120, 334660, 351393, 401592, 468524, 484680, 501990, 585655, 669320, 702786, 803184, 937048, 969360, 1003980, 1171310, 1338640, 1405572, 1756965, 1874096, 2007960, 2342620, 2811144, 3513930, 4015920, 4685240, 5622288, 7027860, 9370480, 14055720, 28111440]

約数ペア:

[(1, 28111440), (2, 14055720), (3, 9370480), (4, 7027860), (5, 5622288), (6, 4685240), (7, 4015920), (8, 3513930), (10, 2811144), (12, 2342620), (14, 2007960), (15, 1874096), (16, 1756965), (20, 1405572), (21, 1338640), (24, 1171310), (28, 1003980), (29, 969360), (30, 937048), (35, 803184), (40, 702786), (42, 669320), (48, 585655), (56, 501990), (58, 484680), (60, 468524), (70, 401592), (80, 351393), (84, 334660), (87, 323120), (105, 267728), (112, 250995), (116, 242340), (120, 234262), (140, 200796), (145, 193872), (168, 167330), (174, 161560), (203, 138480), (210, 133864), (232, 121170), (240, 117131), (280, 100398), (290, 96936), (336, 83665), (348, 80780), (406, 69240), (420, 66932), (435, 64624), (464, 60585), (560, 50199), (577, 48720), (580, 48468), (609, 46160), (696, 40390), (812, 34620), (840, 33466), (870, 32312), (1015, 27696), (1154, 24360), (1160, 24234), (1218, 23080), (1392, 20195), (1624, 17310), (1680, 16733), (1731, 16240), (1740, 16156), (2030, 13848), (2308, 12180), (2320, 12117), (2436, 11540), (2885, 9744), (3045, 9232), (3248, 8655), (3462, 8120), (3480, 8078), (4039, 6960), (4060, 6924), (4616, 6090), (4872, 5770)]