1566987760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79301}}^1$

素因数の和:79346

約数の個数: 80

約数和(自身を含む): 4130048160

約数和(自身を除く): 2563060400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 79301, 158602, 317204, 396505, 634408, 793010, 1030913, 1268816, 1506719, 1586020, 2061826, 3013438, 3172040, 4123652, 5154565, 6026876, 6344080, 7533595, 8247304, 10309130, 12053752, 15067190, 16494608, 19587347, 20618260, 24107504, 30134380, 39174694, 41236520, 60268760, 78349388, 82473040, 97936735, 120537520, 156698776, 195873470, 313397552, 391746940, 783493880, 1566987760]

約数ペア:

[(1, 1566987760), (2, 783493880), (4, 391746940), (5, 313397552), (8, 195873470), (10, 156698776), (13, 120537520), (16, 97936735), (19, 82473040), (20, 78349388), (26, 60268760), (38, 41236520), (40, 39174694), (52, 30134380), (65, 24107504), (76, 20618260), (80, 19587347), (95, 16494608), (104, 15067190), (130, 12053752), (152, 10309130), (190, 8247304), (208, 7533595), (247, 6344080), (260, 6026876), (304, 5154565), (380, 4123652), (494, 3172040), (520, 3013438), (760, 2061826), (988, 1586020), (1040, 1506719), (1235, 1268816), (1520, 1030913), (1976, 793010), (2470, 634408), (3952, 396505), (4940, 317204), (9880, 158602), (19760, 79301)]