28581240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 62657160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 43, 58, 60, 86, 87, 116, 120, 129, 145, 172, 174, 191, 215, 232, 258, 290, 344, 348, 382, 430, 435, 516, 573, 580, 645, 696, 764, 860, 870, 955, 1032, 1146, 1160, 1247, 1290, 1528, 1720, 1740, 1910, 2292, 2494, 2580, 2865, 3480, 3741, 3820, 4584, 4988, 5160, 5539, 5730, 6235, 7482, 7640, 8213, 9976, 11078, 11460, 12470, 14964, 16426, 16617, 18705, 22156, 22920, 24639, 24940, 27695, 29928, 32852, 33234, 37410, 41065, 44312, 49278, 49880, 55390, 65704, 66468, 74820, 82130, 83085, 98556, 110780, 123195, 132936, 149640, 164260, 166170, 197112, 221560, 238177, 246390, 328520, 332340, 476354, 492780, 664680, 714531, 952708, 985560, 1190885, 1429062, 1905416, 2381770, 2858124, 3572655, 4763540, 5716248, 7145310, 9527080, 14290620, 28581240]

約数ペア:

[(1, 28581240), (2, 14290620), (3, 9527080), (4, 7145310), (5, 5716248), (6, 4763540), (8, 3572655), (10, 2858124), (12, 2381770), (15, 1905416), (20, 1429062), (24, 1190885), (29, 985560), (30, 952708), (40, 714531), (43, 664680), (58, 492780), (60, 476354), (86, 332340), (87, 328520), (116, 246390), (120, 238177), (129, 221560), (145, 197112), (172, 166170), (174, 164260), (191, 149640), (215, 132936), (232, 123195), (258, 110780), (290, 98556), (344, 83085), (348, 82130), (382, 74820), (430, 66468), (435, 65704), (516, 55390), (573, 49880), (580, 49278), (645, 44312), (696, 41065), (764, 37410), (860, 33234), (870, 32852), (955, 29928), (1032, 27695), (1146, 24940), (1160, 24639), (1247, 22920), (1290, 22156), (1528, 18705), (1720, 16617), (1740, 16426), (1910, 14964), (2292, 12470), (2494, 11460), (2580, 11078), (2865, 9976), (3480, 8213), (3741, 7640), (3820, 7482), (4584, 6235), (4988, 5730), (5160, 5539)]