56519580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72461}}^1$

素因数の和:72486

約数の個数: 48

約数和(自身を含む): 170430624

約数和(自身を除く): 113911044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72461, 144922, 217383, 289844, 362305, 434766, 724610, 869532, 941993, 1086915, 1449220, 1883986, 2173830, 2825979, 3767972, 4347660, 4709965, 5651958, 9419930, 11303916, 14129895, 18839860, 28259790, 56519580]

約数ペア:

[(1, 56519580), (2, 28259790), (3, 18839860), (4, 14129895), (5, 11303916), (6, 9419930), (10, 5651958), (12, 4709965), (13, 4347660), (15, 3767972), (20, 2825979), (26, 2173830), (30, 1883986), (39, 1449220), (52, 1086915), (60, 941993), (65, 869532), (78, 724610), (130, 434766), (156, 362305), (195, 289844), (260, 217383), (390, 144922), (780, 72461)]