1638592480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3761}}^1$

素因数の和:4172

約数の個数: 96

約数和(自身を含む): 4436752320

約数和(自身を除く): 2798159840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 389, 560, 778, 1120, 1556, 1945, 2723, 3112, 3761, 3890, 5446, 6224, 7522, 7780, 10892, 12448, 13615, 15044, 15560, 18805, 21784, 26327, 27230, 30088, 31120, 37610, 43568, 52654, 54460, 60176, 62240, 75220, 87136, 105308, 108920, 120352, 131635, 150440, 210616, 217840, 263270, 300880, 421232, 435680, 526540, 601760, 842464, 1053080, 1463029, 2106160, 2926058, 4212320, 5852116, 7315145, 10241203, 11704232, 14630290, 20482406, 23408464, 29260580, 40964812, 46816928, 51206015, 58521160, 81929624, 102412030, 117042320, 163859248, 204824060, 234084640, 327718496, 409648120, 819296240, 1638592480]

約数ペア:

[(1, 1638592480), (2, 819296240), (4, 409648120), (5, 327718496), (7, 234084640), (8, 204824060), (10, 163859248), (14, 117042320), (16, 102412030), (20, 81929624), (28, 58521160), (32, 51206015), (35, 46816928), (40, 40964812), (56, 29260580), (70, 23408464), (80, 20482406), (112, 14630290), (140, 11704232), (160, 10241203), (224, 7315145), (280, 5852116), (389, 4212320), (560, 2926058), (778, 2106160), (1120, 1463029), (1556, 1053080), (1945, 842464), (2723, 601760), (3112, 526540), (3761, 435680), (3890, 421232), (5446, 300880), (6224, 263270), (7522, 217840), (7780, 210616), (10892, 150440), (12448, 131635), (13615, 120352), (15044, 108920), (15560, 105308), (18805, 87136), (21784, 75220), (26327, 62240), (27230, 60176), (30088, 54460), (31120, 52654), (37610, 43568)]