128478768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^3\times {\mathrm{2011}}^1$

素因数の和:2055

約数の個数: 80

約数和(自身を含む): 365250432

約数和(自身を除く): 236771664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1331, 1452, 1936, 2011, 2662, 2904, 3993, 4022, 5324, 5808, 6033, 7986, 8044, 10648, 12066, 15972, 16088, 21296, 22121, 24132, 31944, 32176, 44242, 48264, 63888, 66363, 88484, 96528, 132726, 176968, 243331, 265452, 353936, 486662, 530904, 729993, 973324, 1061808, 1459986, 1946648, 2676641, 2919972, 3893296, 5353282, 5839944, 8029923, 10706564, 11679888, 16059846, 21413128, 32119692, 42826256, 64239384, 128478768]

約数ペア:

[(1, 128478768), (2, 64239384), (3, 42826256), (4, 32119692), (6, 21413128), (8, 16059846), (11, 11679888), (12, 10706564), (16, 8029923), (22, 5839944), (24, 5353282), (33, 3893296), (44, 2919972), (48, 2676641), (66, 1946648), (88, 1459986), (121, 1061808), (132, 973324), (176, 729993), (242, 530904), (264, 486662), (363, 353936), (484, 265452), (528, 243331), (726, 176968), (968, 132726), (1331, 96528), (1452, 88484), (1936, 66363), (2011, 63888), (2662, 48264), (2904, 44242), (3993, 32176), (4022, 31944), (5324, 24132), (5808, 22121), (6033, 21296), (7986, 16088), (8044, 15972), (10648, 12066)]