123393160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 321926400

約数和(自身を除く): 198533240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 89, 92, 110, 115, 137, 178, 184, 220, 230, 253, 274, 356, 440, 445, 460, 506, 548, 685, 712, 890, 920, 979, 1012, 1096, 1265, 1370, 1507, 1780, 1958, 2024, 2047, 2530, 2740, 3014, 3151, 3560, 3916, 4094, 4895, 5060, 5480, 6028, 6302, 7535, 7832, 8188, 9790, 10120, 10235, 12056, 12193, 12604, 15070, 15755, 16376, 19580, 20470, 22517, 24386, 25208, 30140, 31510, 34661, 39160, 40940, 45034, 48772, 60280, 60965, 63020, 69322, 81880, 90068, 97544, 112585, 121930, 126040, 134123, 138644, 173305, 180136, 225170, 243860, 268246, 277288, 280439, 346610, 450340, 487720, 536492, 560878, 670615, 693220, 900680, 1072984, 1121756, 1341230, 1386440, 1402195, 2243512, 2682460, 2804390, 3084829, 5364920, 5608780, 6169658, 11217560, 12339316, 15424145, 24678632, 30848290, 61696580, 123393160]

約数ペア:

[(1, 123393160), (2, 61696580), (4, 30848290), (5, 24678632), (8, 15424145), (10, 12339316), (11, 11217560), (20, 6169658), (22, 5608780), (23, 5364920), (40, 3084829), (44, 2804390), (46, 2682460), (55, 2243512), (88, 1402195), (89, 1386440), (92, 1341230), (110, 1121756), (115, 1072984), (137, 900680), (178, 693220), (184, 670615), (220, 560878), (230, 536492), (253, 487720), (274, 450340), (356, 346610), (440, 280439), (445, 277288), (460, 268246), (506, 243860), (548, 225170), (685, 180136), (712, 173305), (890, 138644), (920, 134123), (979, 126040), (1012, 121930), (1096, 112585), (1265, 97544), (1370, 90068), (1507, 81880), (1780, 69322), (1958, 63020), (2024, 60965), (2047, 60280), (2530, 48772), (2740, 45034), (3014, 40940), (3151, 39160), (3560, 34661), (3916, 31510), (4094, 30140), (4895, 25208), (5060, 24386), (5480, 22517), (6028, 20470), (6302, 19580), (7535, 16376), (7832, 15755), (8188, 15070), (9790, 12604), (10120, 12193), (10235, 12056)]