27990900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1481}}^1$

素因数の和:1511

約数の個数: 144

約数和(自身を含む): 102910080

約数和(自身を除く): 74919180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1481, 1575, 1890, 2100, 2700, 2962, 3150, 3780, 4443, 4725, 5924, 6300, 7405, 8886, 9450, 10367, 13329, 14810, 17772, 18900, 20734, 22215, 26658, 29620, 31101, 37025, 39987, 41468, 44430, 51835, 53316, 62202, 66645, 74050, 79974, 88860, 93303, 103670, 111075, 124404, 133290, 148100, 155505, 159948, 186606, 199935, 207340, 222150, 259175, 266580, 279909, 311010, 333225, 373212, 399870, 444300, 466515, 518350, 559818, 622020, 666450, 777525, 799740, 933030, 999675, 1036700, 1119636, 1332900, 1399545, 1555050, 1866060, 1999350, 2332575, 2799090, 3110100, 3998700, 4665150, 5598180, 6997725, 9330300, 13995450, 27990900]

約数ペア:

[(1, 27990900), (2, 13995450), (3, 9330300), (4, 6997725), (5, 5598180), (6, 4665150), (7, 3998700), (9, 3110100), (10, 2799090), (12, 2332575), (14, 1999350), (15, 1866060), (18, 1555050), (20, 1399545), (21, 1332900), (25, 1119636), (27, 1036700), (28, 999675), (30, 933030), (35, 799740), (36, 777525), (42, 666450), (45, 622020), (50, 559818), (54, 518350), (60, 466515), (63, 444300), (70, 399870), (75, 373212), (84, 333225), (90, 311010), (100, 279909), (105, 266580), (108, 259175), (126, 222150), (135, 207340), (140, 199935), (150, 186606), (175, 159948), (180, 155505), (189, 148100), (210, 133290), (225, 124404), (252, 111075), (270, 103670), (300, 93303), (315, 88860), (350, 79974), (378, 74050), (420, 66645), (450, 62202), (525, 53316), (540, 51835), (630, 44430), (675, 41468), (700, 39987), (756, 37025), (900, 31101), (945, 29620), (1050, 26658), (1260, 22215), (1350, 20734), (1481, 18900), (1575, 17772), (1890, 14810), (2100, 13329), (2700, 10367), (2962, 9450), (3150, 8886), (3780, 7405), (4443, 6300), (4725, 5924)]