12028520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 35181540

約数和(自身を除く): 23153020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 280, 323, 340, 361, 380, 392, 476, 490, 532, 595, 646, 665, 680, 722, 760, 833, 931, 952, 980, 1064, 1190, 1292, 1330, 1444, 1615, 1666, 1805, 1862, 1960, 2261, 2380, 2527, 2584, 2660, 2888, 3230, 3332, 3610, 3724, 4165, 4522, 4655, 4760, 5054, 5320, 6137, 6460, 6664, 7220, 7448, 8330, 9044, 9310, 10108, 11305, 12274, 12635, 12920, 14440, 15827, 16660, 17689, 18088, 18620, 20216, 22610, 24548, 25270, 30685, 31654, 33320, 35378, 37240, 42959, 45220, 49096, 50540, 61370, 63308, 70756, 79135, 85918, 88445, 90440, 101080, 122740, 126616, 141512, 158270, 171836, 176890, 214795, 245480, 300713, 316540, 343672, 353780, 429590, 601426, 633080, 707560, 859180, 1202852, 1503565, 1718360, 2405704, 3007130, 6014260, 12028520]

約数ペア:

[(1, 12028520), (2, 6014260), (4, 3007130), (5, 2405704), (7, 1718360), (8, 1503565), (10, 1202852), (14, 859180), (17, 707560), (19, 633080), (20, 601426), (28, 429590), (34, 353780), (35, 343672), (38, 316540), (40, 300713), (49, 245480), (56, 214795), (68, 176890), (70, 171836), (76, 158270), (85, 141512), (95, 126616), (98, 122740), (119, 101080), (133, 90440), (136, 88445), (140, 85918), (152, 79135), (170, 70756), (190, 63308), (196, 61370), (238, 50540), (245, 49096), (266, 45220), (280, 42959), (323, 37240), (340, 35378), (361, 33320), (380, 31654), (392, 30685), (476, 25270), (490, 24548), (532, 22610), (595, 20216), (646, 18620), (665, 18088), (680, 17689), (722, 16660), (760, 15827), (833, 14440), (931, 12920), (952, 12635), (980, 12274), (1064, 11305), (1190, 10108), (1292, 9310), (1330, 9044), (1444, 8330), (1615, 7448), (1666, 7220), (1805, 6664), (1862, 6460), (1960, 6137), (2261, 5320), (2380, 5054), (2527, 4760), (2584, 4655), (2660, 4522), (2888, 4165), (3230, 3724), (3332, 3610)]