128007990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 192

約数和(自身を含む): 387459072

約数和(自身を除く): 259451082

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 43, 45, 55, 62, 66, 86, 90, 93, 97, 99, 110, 129, 155, 165, 186, 194, 198, 215, 258, 279, 291, 310, 330, 341, 387, 430, 465, 473, 485, 495, 558, 582, 645, 682, 774, 873, 930, 946, 970, 990, 1023, 1067, 1290, 1333, 1395, 1419, 1455, 1705, 1746, 1935, 2046, 2134, 2365, 2666, 2790, 2838, 2910, 3007, 3069, 3201, 3410, 3870, 3999, 4171, 4257, 4365, 4730, 5115, 5335, 6014, 6138, 6402, 6665, 7095, 7998, 8342, 8514, 8730, 9021, 9603, 10230, 10670, 11997, 12513, 13330, 14190, 14663, 15035, 15345, 16005, 18042, 19206, 19995, 20855, 21285, 23994, 25026, 27063, 29326, 30070, 30690, 32010, 33077, 37539, 39990, 41710, 42570, 43989, 45105, 45881, 48015, 54126, 59985, 62565, 66154, 73315, 75078, 87978, 90210, 91762, 96030, 99231, 119970, 125130, 129301, 131967, 135315, 137643, 146630, 165385, 187695, 198462, 219945, 229405, 258602, 263934, 270630, 275286, 297693, 330770, 375390, 387903, 412929, 439890, 458810, 496155, 595386, 646505, 659835, 688215, 775806, 825858, 992310, 1163709, 1293010, 1319670, 1376430, 1422311, 1488465, 1939515, 2064645, 2327418, 2844622, 2976930, 3879030, 4129290, 4266933, 5818545, 7111555, 8533866, 11637090, 12800799, 14223110, 21334665, 25601598, 42669330, 64003995, 128007990]

約数ペア:

[(1, 128007990), (2, 64003995), (3, 42669330), (5, 25601598), (6, 21334665), (9, 14223110), (10, 12800799), (11, 11637090), (15, 8533866), (18, 7111555), (22, 5818545), (30, 4266933), (31, 4129290), (33, 3879030), (43, 2976930), (45, 2844622), (55, 2327418), (62, 2064645), (66, 1939515), (86, 1488465), (90, 1422311), (93, 1376430), (97, 1319670), (99, 1293010), (110, 1163709), (129, 992310), (155, 825858), (165, 775806), (186, 688215), (194, 659835), (198, 646505), (215, 595386), (258, 496155), (279, 458810), (291, 439890), (310, 412929), (330, 387903), (341, 375390), (387, 330770), (430, 297693), (465, 275286), (473, 270630), (485, 263934), (495, 258602), (558, 229405), (582, 219945), (645, 198462), (682, 187695), (774, 165385), (873, 146630), (930, 137643), (946, 135315), (970, 131967), (990, 129301), (1023, 125130), (1067, 119970), (1290, 99231), (1333, 96030), (1395, 91762), (1419, 90210), (1455, 87978), (1705, 75078), (1746, 73315), (1935, 66154), (2046, 62565), (2134, 59985), (2365, 54126), (2666, 48015), (2790, 45881), (2838, 45105), (2910, 43989), (3007, 42570), (3069, 41710), (3201, 39990), (3410, 37539), (3870, 33077), (3999, 32010), (4171, 30690), (4257, 30070), (4365, 29326), (4730, 27063), (5115, 25026), (5335, 23994), (6014, 21285), (6138, 20855), (6402, 19995), (6665, 19206), (7095, 18042), (7998, 16005), (8342, 15345), (8514, 15035), (8730, 14663), (9021, 14190), (9603, 13330), (10230, 12513), (10670, 11997)]