1320221936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 2847936768

約数和(自身を除く): 1527714832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 211, 292, 422, 487, 584, 803, 844, 974, 1168, 1606, 1688, 1948, 2321, 3212, 3376, 3896, 4642, 5357, 6424, 7792, 9284, 10714, 12848, 15403, 18568, 21428, 30806, 35551, 37136, 42856, 61612, 71102, 85712, 102757, 123224, 142204, 169433, 205514, 246448, 284408, 338866, 391061, 411028, 568816, 677732, 782122, 822056, 1130327, 1355464, 1564244, 1644112, 2260654, 2710928, 3128488, 4521308, 6256976, 7501261, 9042616, 15002522, 18085232, 30005044, 60010088, 82513871, 120020176, 165027742, 330055484, 660110968, 1320221936]

約数ペア:

[(1, 1320221936), (2, 660110968), (4, 330055484), (8, 165027742), (11, 120020176), (16, 82513871), (22, 60010088), (44, 30005044), (73, 18085232), (88, 15002522), (146, 9042616), (176, 7501261), (211, 6256976), (292, 4521308), (422, 3128488), (487, 2710928), (584, 2260654), (803, 1644112), (844, 1564244), (974, 1355464), (1168, 1130327), (1606, 822056), (1688, 782122), (1948, 677732), (2321, 568816), (3212, 411028), (3376, 391061), (3896, 338866), (4642, 284408), (5357, 246448), (6424, 205514), (7792, 169433), (9284, 142204), (10714, 123224), (12848, 102757), (15403, 85712), (18568, 71102), (21428, 61612), (30806, 42856), (35551, 37136)]