15721405700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157057}}^1$

素因数の和:157102

約数の個数: 144

約数和(自身を含む): 45805651584

約数和(自身を除く): 30084245884

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 455, 550, 572, 650, 700, 715, 770, 910, 1001, 1100, 1300, 1430, 1540, 1820, 1925, 2002, 2275, 2860, 3575, 3850, 4004, 4550, 5005, 7150, 7700, 9100, 10010, 14300, 20020, 25025, 50050, 100100, 157057, 314114, 628228, 785285, 1099399, 1570570, 1727627, 2041741, 2198798, 3141140, 3455254, 3926425, 4083482, 4397596, 5496995, 6910508, 7852850, 8166964, 8638135, 10208705, 10993990, 12093389, 14292187, 15705700, 17276270, 20417410, 21987980, 22459151, 24186778, 27484975, 28584374, 34552540, 40834820, 43190675, 44918302, 48373556, 51043525, 54969950, 57168748, 60466945, 71460935, 86381350, 89836604, 102087050, 109939900, 112295755, 120933890, 142921870, 157214057, 172762700, 204174100, 224591510, 241867780, 285843740, 302334725, 314428114, 357304675, 449183020, 561478775, 604669450, 628856228, 714609350, 786070285, 1122957550, 1209338900, 1429218700, 1572140570, 2245915100, 3144281140, 3930351425, 7860702850, 15721405700]

約数ペア:

[(1, 15721405700), (2, 7860702850), (4, 3930351425), (5, 3144281140), (7, 2245915100), (10, 1572140570), (11, 1429218700), (13, 1209338900), (14, 1122957550), (20, 786070285), (22, 714609350), (25, 628856228), (26, 604669450), (28, 561478775), (35, 449183020), (44, 357304675), (50, 314428114), (52, 302334725), (55, 285843740), (65, 241867780), (70, 224591510), (77, 204174100), (91, 172762700), (100, 157214057), (110, 142921870), (130, 120933890), (140, 112295755), (143, 109939900), (154, 102087050), (175, 89836604), (182, 86381350), (220, 71460935), (260, 60466945), (275, 57168748), (286, 54969950), (308, 51043525), (325, 48373556), (350, 44918302), (364, 43190675), (385, 40834820), (455, 34552540), (550, 28584374), (572, 27484975), (650, 24186778), (700, 22459151), (715, 21987980), (770, 20417410), (910, 17276270), (1001, 15705700), (1100, 14292187), (1300, 12093389), (1430, 10993990), (1540, 10208705), (1820, 8638135), (1925, 8166964), (2002, 7852850), (2275, 6910508), (2860, 5496995), (3575, 4397596), (3850, 4083482), (4004, 3926425), (4550, 3455254), (5005, 3141140), (7150, 2198798), (7700, 2041741), (9100, 1727627), (10010, 1570570), (14300, 1099399), (20020, 785285), (25025, 628228), (50050, 314114), (100100, 157057)]