172521160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 487555200

約数和(自身を除く): 315034040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 49, 56, 70, 86, 89, 92, 98, 115, 140, 161, 172, 178, 184, 196, 215, 230, 245, 280, 301, 322, 344, 356, 392, 430, 445, 460, 490, 602, 623, 644, 712, 805, 860, 890, 920, 980, 989, 1127, 1204, 1246, 1288, 1505, 1610, 1720, 1780, 1960, 1978, 2047, 2107, 2254, 2408, 2492, 3010, 3115, 3220, 3560, 3827, 3956, 4094, 4214, 4361, 4508, 4945, 4984, 5635, 6020, 6230, 6440, 6923, 7654, 7912, 8188, 8428, 8722, 9016, 9890, 10235, 10535, 11270, 12040, 12460, 13846, 14329, 15308, 16376, 16856, 17444, 19135, 19780, 20470, 21070, 21805, 22540, 24920, 26789, 27692, 28658, 30616, 34615, 34888, 38270, 39560, 40940, 42140, 43610, 45080, 48461, 53578, 55384, 57316, 69230, 71645, 76540, 81880, 84280, 87220, 88021, 96922, 100303, 107156, 114632, 133945, 138460, 143290, 153080, 174440, 176042, 187523, 193844, 200606, 214312, 242305, 267890, 276920, 286580, 352084, 375046, 387688, 401212, 440105, 484610, 501515, 535780, 573160, 616147, 704168, 750092, 802424, 880210, 937615, 969220, 1003030, 1071560, 1232294, 1500184, 1760420, 1875230, 1938440, 2006060, 2464588, 3080735, 3520840, 3750460, 4012120, 4313029, 4929176, 6161470, 7500920, 8626058, 12322940, 17252116, 21565145, 24645880, 34504232, 43130290, 86260580, 172521160]

約数ペア:

[(1, 172521160), (2, 86260580), (4, 43130290), (5, 34504232), (7, 24645880), (8, 21565145), (10, 17252116), (14, 12322940), (20, 8626058), (23, 7500920), (28, 6161470), (35, 4929176), (40, 4313029), (43, 4012120), (46, 3750460), (49, 3520840), (56, 3080735), (70, 2464588), (86, 2006060), (89, 1938440), (92, 1875230), (98, 1760420), (115, 1500184), (140, 1232294), (161, 1071560), (172, 1003030), (178, 969220), (184, 937615), (196, 880210), (215, 802424), (230, 750092), (245, 704168), (280, 616147), (301, 573160), (322, 535780), (344, 501515), (356, 484610), (392, 440105), (430, 401212), (445, 387688), (460, 375046), (490, 352084), (602, 286580), (623, 276920), (644, 267890), (712, 242305), (805, 214312), (860, 200606), (890, 193844), (920, 187523), (980, 176042), (989, 174440), (1127, 153080), (1204, 143290), (1246, 138460), (1288, 133945), (1505, 114632), (1610, 107156), (1720, 100303), (1780, 96922), (1960, 88021), (1978, 87220), (2047, 84280), (2107, 81880), (2254, 76540), (2408, 71645), (2492, 69230), (3010, 57316), (3115, 55384), (3220, 53578), (3560, 48461), (3827, 45080), (3956, 43610), (4094, 42140), (4214, 40940), (4361, 39560), (4508, 38270), (4945, 34888), (4984, 34615), (5635, 30616), (6020, 28658), (6230, 27692), (6440, 26789), (6923, 24920), (7654, 22540), (7912, 21805), (8188, 21070), (8428, 20470), (8722, 19780), (9016, 19135), (9890, 17444), (10235, 16856), (10535, 16376), (11270, 15308), (12040, 14329), (12460, 13846)]