221616840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1567

約数の個数: 128

約数和(自身を含む): 704246400

約数和(自身を除く): 482629560

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, 215, 232, 258, 290, 344, 348, 430, 435, 516, 580, 645, 696, 860, 870, 1032, 1160, 1247, 1290, 1481, 1720, 1740, 2494, 2580, 2962, 3480, 3741, 4443, 4988, 5160, 5924, 6235, 7405, 7482, 8886, 9976, 11848, 12470, 14810, 14964, 17772, 18705, 22215, 24940, 29620, 29928, 35544, 37410, 42949, 44430, 49880, 59240, 63683, 74820, 85898, 88860, 127366, 128847, 149640, 171796, 177720, 191049, 214745, 254732, 257694, 318415, 343592, 382098, 429490, 509464, 515388, 636830, 644235, 764196, 858980, 955245, 1030776, 1273660, 1288470, 1528392, 1717960, 1846807, 1910490, 2547320, 2576940, 3693614, 3820980, 5153880, 5540421, 7387228, 7641960, 9234035, 11080842, 14774456, 18468070, 22161684, 27702105, 36936140, 44323368, 55404210, 73872280, 110808420, 221616840]

約数ペア:

[(1, 221616840), (2, 110808420), (3, 73872280), (4, 55404210), (5, 44323368), (6, 36936140), (8, 27702105), (10, 22161684), (12, 18468070), (15, 14774456), (20, 11080842), (24, 9234035), (29, 7641960), (30, 7387228), (40, 5540421), (43, 5153880), (58, 3820980), (60, 3693614), (86, 2576940), (87, 2547320), (116, 1910490), (120, 1846807), (129, 1717960), (145, 1528392), (172, 1288470), (174, 1273660), (215, 1030776), (232, 955245), (258, 858980), (290, 764196), (344, 644235), (348, 636830), (430, 515388), (435, 509464), (516, 429490), (580, 382098), (645, 343592), (696, 318415), (860, 257694), (870, 254732), (1032, 214745), (1160, 191049), (1247, 177720), (1290, 171796), (1481, 149640), (1720, 128847), (1740, 127366), (2494, 88860), (2580, 85898), (2962, 74820), (3480, 63683), (3741, 59240), (4443, 49880), (4988, 44430), (5160, 42949), (5924, 37410), (6235, 35544), (7405, 29928), (7482, 29620), (8886, 24940), (9976, 22215), (11848, 18705), (12470, 17772), (14810, 14964)]