2215814720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7789}}^1$

素因数の和:7940

約数の個数: 112

約数和(自身を含む): 6078443520

約数和(自身を除く): 3862628800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2240, 2540, 3556, 4064, 4445, 5080, 7112, 7789, 8128, 8890, 10160, 14224, 15578, 17780, 20320, 28448, 31156, 35560, 38945, 40640, 54523, 56896, 62312, 71120, 77890, 109046, 124624, 142240, 155780, 218092, 249248, 272615, 284480, 311560, 436184, 498496, 545230, 623120, 872368, 989203, 1090460, 1246240, 1744736, 1978406, 2180920, 2492480, 3489472, 3956812, 4361840, 4946015, 6924421, 7913624, 8723680, 9892030, 13848842, 15827248, 17447360, 19784060, 27697684, 31654496, 34622105, 39568120, 55395368, 63308992, 69244210, 79136240, 110790736, 138488420, 158272480, 221581472, 276976840, 316544960, 443162944, 553953680, 1107907360, 2215814720]

約数ペア:

[(1, 2215814720), (2, 1107907360), (4, 553953680), (5, 443162944), (7, 316544960), (8, 276976840), (10, 221581472), (14, 158272480), (16, 138488420), (20, 110790736), (28, 79136240), (32, 69244210), (35, 63308992), (40, 55395368), (56, 39568120), (64, 34622105), (70, 31654496), (80, 27697684), (112, 19784060), (127, 17447360), (140, 15827248), (160, 13848842), (224, 9892030), (254, 8723680), (280, 7913624), (320, 6924421), (448, 4946015), (508, 4361840), (560, 3956812), (635, 3489472), (889, 2492480), (1016, 2180920), (1120, 1978406), (1270, 1744736), (1778, 1246240), (2032, 1090460), (2240, 989203), (2540, 872368), (3556, 623120), (4064, 545230), (4445, 498496), (5080, 436184), (7112, 311560), (7789, 284480), (8128, 272615), (8890, 249248), (10160, 218092), (14224, 155780), (15578, 142240), (17780, 124624), (20320, 109046), (28448, 77890), (31156, 71120), (35560, 62312), (38945, 56896), (40640, 54523)]