223245680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 620150784

約数和(自身を除く): 396905104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 73, 80, 86, 112, 127, 140, 146, 172, 215, 254, 280, 292, 301, 344, 365, 430, 508, 511, 560, 584, 602, 635, 688, 730, 860, 889, 1016, 1022, 1168, 1204, 1270, 1460, 1505, 1720, 1778, 2032, 2044, 2408, 2540, 2555, 2920, 3010, 3139, 3440, 3556, 4088, 4445, 4816, 5080, 5110, 5461, 5840, 6020, 6278, 7112, 8176, 8890, 9271, 10160, 10220, 10922, 12040, 12556, 14224, 15695, 17780, 18542, 20440, 21844, 21973, 24080, 25112, 27305, 31390, 35560, 37084, 38227, 40880, 43688, 43946, 46355, 50224, 54610, 62780, 64897, 71120, 74168, 76454, 87376, 87892, 92710, 109220, 109865, 125560, 129794, 148336, 152908, 175784, 185420, 191135, 218440, 219730, 251120, 259588, 305816, 324485, 351568, 370840, 382270, 398653, 436880, 439460, 519176, 611632, 648970, 741680, 764540, 797306, 878920, 1038352, 1297940, 1529080, 1594612, 1757840, 1993265, 2595880, 2790571, 3058160, 3189224, 3986530, 5191760, 5581142, 6378448, 7973060, 11162284, 13952855, 15946120, 22324568, 27905710, 31892240, 44649136, 55811420, 111622840, 223245680]

約数ペア:

[(1, 223245680), (2, 111622840), (4, 55811420), (5, 44649136), (7, 31892240), (8, 27905710), (10, 22324568), (14, 15946120), (16, 13952855), (20, 11162284), (28, 7973060), (35, 6378448), (40, 5581142), (43, 5191760), (56, 3986530), (70, 3189224), (73, 3058160), (80, 2790571), (86, 2595880), (112, 1993265), (127, 1757840), (140, 1594612), (146, 1529080), (172, 1297940), (215, 1038352), (254, 878920), (280, 797306), (292, 764540), (301, 741680), (344, 648970), (365, 611632), (430, 519176), (508, 439460), (511, 436880), (560, 398653), (584, 382270), (602, 370840), (635, 351568), (688, 324485), (730, 305816), (860, 259588), (889, 251120), (1016, 219730), (1022, 218440), (1168, 191135), (1204, 185420), (1270, 175784), (1460, 152908), (1505, 148336), (1720, 129794), (1778, 125560), (2032, 109865), (2044, 109220), (2408, 92710), (2540, 87892), (2555, 87376), (2920, 76454), (3010, 74168), (3139, 71120), (3440, 64897), (3556, 62780), (4088, 54610), (4445, 50224), (4816, 46355), (5080, 43946), (5110, 43688), (5461, 40880), (5840, 38227), (6020, 37084), (6278, 35560), (7112, 31390), (8176, 27305), (8890, 25112), (9271, 24080), (10160, 21973), (10220, 21844), (10922, 20440), (12040, 18542), (12556, 17780), (14224, 15695)]