30905520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{983}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 96636672

約数和(自身を除く): 65731152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 983, 1048, 1310, 1572, 1965, 1966, 2096, 2620, 2949, 3144, 3930, 3932, 4915, 5240, 5898, 6288, 7860, 7864, 9830, 10480, 11796, 14745, 15720, 15728, 19660, 23592, 29490, 31440, 39320, 47184, 58980, 78640, 117960, 128773, 235920, 257546, 386319, 515092, 643865, 772638, 1030184, 1287730, 1545276, 1931595, 2060368, 2575460, 3090552, 3863190, 5150920, 6181104, 7726380, 10301840, 15452760, 30905520]

約数ペア:

[(1, 30905520), (2, 15452760), (3, 10301840), (4, 7726380), (5, 6181104), (6, 5150920), (8, 3863190), (10, 3090552), (12, 2575460), (15, 2060368), (16, 1931595), (20, 1545276), (24, 1287730), (30, 1030184), (40, 772638), (48, 643865), (60, 515092), (80, 386319), (120, 257546), (131, 235920), (240, 128773), (262, 117960), (393, 78640), (524, 58980), (655, 47184), (786, 39320), (983, 31440), (1048, 29490), (1310, 23592), (1572, 19660), (1965, 15728), (1966, 15720), (2096, 14745), (2620, 11796), (2949, 10480), (3144, 9830), (3930, 7864), (3932, 7860), (4915, 6288), (5240, 5898)]