20160983780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1\times {\mathrm{1613}}^1$

素因数の和:2925

約数の個数: 96

約数和(自身を含む): 49119727104

約数和(自身を除く): 28958743324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1223, 1460, 1613, 2044, 2446, 2555, 3226, 4892, 5110, 6115, 6452, 8065, 8561, 10220, 11291, 12230, 16130, 17122, 22582, 24460, 32260, 34244, 42805, 45164, 56455, 85610, 89279, 112910, 117749, 171220, 178558, 225820, 235498, 357116, 446395, 470996, 588745, 624953, 824243, 892790, 1177490, 1249906, 1648486, 1785580, 1972699, 2354980, 2499812, 3124765, 3296972, 3945398, 4121215, 6249530, 7890796, 8242430, 9863495, 12499060, 13808893, 16484860, 19726990, 27617786, 39453980, 55235572, 69044465, 138088930, 144007027, 276177860, 288014054, 576028108, 720035135, 1008049189, 1440070270, 2016098378, 2880140540, 4032196756, 5040245945, 10080491890, 20160983780]

約数ペア:

[(1, 20160983780), (2, 10080491890), (4, 5040245945), (5, 4032196756), (7, 2880140540), (10, 2016098378), (14, 1440070270), (20, 1008049189), (28, 720035135), (35, 576028108), (70, 288014054), (73, 276177860), (140, 144007027), (146, 138088930), (292, 69044465), (365, 55235572), (511, 39453980), (730, 27617786), (1022, 19726990), (1223, 16484860), (1460, 13808893), (1613, 12499060), (2044, 9863495), (2446, 8242430), (2555, 7890796), (3226, 6249530), (4892, 4121215), (5110, 3945398), (6115, 3296972), (6452, 3124765), (8065, 2499812), (8561, 2354980), (10220, 1972699), (11291, 1785580), (12230, 1648486), (16130, 1249906), (17122, 1177490), (22582, 892790), (24460, 824243), (32260, 624953), (34244, 588745), (42805, 470996), (45164, 446395), (56455, 357116), (85610, 235498), (89279, 225820), (112910, 178558), (117749, 171220)]