15311280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 47925504

約数和(自身を除く): 32614224

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, 487, 524, 655, 786, 974, 1048, 1310, 1461, 1572, 1948, 1965, 2096, 2435, 2620, 2922, 3144, 3896, 3930, 4870, 5240, 5844, 6288, 7305, 7792, 7860, 9740, 10480, 11688, 14610, 15720, 19480, 23376, 29220, 31440, 38960, 58440, 63797, 116880, 127594, 191391, 255188, 318985, 382782, 510376, 637970, 765564, 956955, 1020752, 1275940, 1531128, 1913910, 2551880, 3062256, 3827820, 5103760, 7655640, 15311280]

約数ペア:

[(1, 15311280), (2, 7655640), (3, 5103760), (4, 3827820), (5, 3062256), (6, 2551880), (8, 1913910), (10, 1531128), (12, 1275940), (15, 1020752), (16, 956955), (20, 765564), (24, 637970), (30, 510376), (40, 382782), (48, 318985), (60, 255188), (80, 191391), (120, 127594), (131, 116880), (240, 63797), (262, 58440), (393, 38960), (487, 31440), (524, 29220), (655, 23376), (786, 19480), (974, 15720), (1048, 14610), (1310, 11688), (1461, 10480), (1572, 9740), (1948, 7860), (1965, 7792), (2096, 7305), (2435, 6288), (2620, 5844), (2922, 5240), (3144, 4870), (3896, 3930)]