1778180480

素因数分解:

$2^7\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{2389}}^1$

素因数の和:3571

約数の個数: 64

約数和(自身を含む): 4256398800

約数和(自身を除く): 2478218320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1163, 2326, 2389, 4652, 4778, 5815, 9304, 9556, 11630, 11945, 18608, 19112, 23260, 23890, 37216, 38224, 46520, 47780, 74432, 76448, 93040, 95560, 148864, 152896, 186080, 191120, 305792, 372160, 382240, 744320, 764480, 1528960, 2778407, 5556814, 11113628, 13892035, 22227256, 27784070, 44454512, 55568140, 88909024, 111136280, 177818048, 222272560, 355636096, 444545120, 889090240, 1778180480]

約数ペア:

[(1, 1778180480), (2, 889090240), (4, 444545120), (5, 355636096), (8, 222272560), (10, 177818048), (16, 111136280), (20, 88909024), (32, 55568140), (40, 44454512), (64, 27784070), (80, 22227256), (128, 13892035), (160, 11113628), (320, 5556814), (640, 2778407), (1163, 1528960), (2326, 764480), (2389, 744320), (4652, 382240), (4778, 372160), (5815, 305792), (9304, 191120), (9556, 186080), (11630, 152896), (11945, 148864), (18608, 95560), (19112, 93040), (23260, 76448), (23890, 74432), (37216, 47780), (38224, 46520)]